Add readme.md mostly taken from the forum thread (and markdown-ified)

Updated several mods: castles, homedecor, digilines, farming redo,
jumping, maptools, mesecons, moreblocks, moretrees, pipeworks,
signs_lib, technic, unified_dyes

Deleted the peaceful_npc mod, as it is broken and unmaintained.

13 files changed, 1115 insertions, 982 deletions

diff --git a/moreblocks/CHANGELOG.md b/moreblocks/CHANGELOG.md
index 817f6b9..2b9c5f2 100644
--- a/moreblocks/CHANGELOG.md
+++ b/moreblocks/CHANGELOG.md
@@ -10,6 +10,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Added
 
 - Listring add for circular saw.
+- Stairs+: New API function:
+ `stairsplus:register_custom_subset(subset, modname, subname, recipeitem, fields)`
 
 ### Fixed
 
@@ -17,6 +19,15 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - The circular saw can no longer replace items from the player's inventory
   when it is full.
 
+### Changed
+
+- New craft for:
+  - Stone Tile
+  - Circle Stone Bricks
+- Stairs+:
+  - Move definitions to `stairsplus.defs` table in a separate file
+  - Move recipe definitions to `stairsplus.register_recipes` function in a separate file
+
 ## [1.1.0] - 2017-10-04
 
 ### Added
@@ -37,7 +48,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
   - Wool (all colors)
 - Other mods can now get a list of all the defined Stairs+ shapes
 
-## [1.0.0] - 2017-02-19
+## 1.0.0 - 2017-02-19
 
 - Initial versioned release.
 
diff --git a/moreblocks/crafting.lua b/moreblocks/crafting.lua
index b6432c7..3fb9830 100644
--- a/moreblocks/crafting.lua
+++ b/moreblocks/crafting.lua
@@ -94,11 +94,11 @@ minetest.register_craft({
 })
 
 minetest.register_craft({
-	output = "moreblocks:circle_stone_bricks 8",
+	output = "moreblocks:circle_stone_bricks 5",
 	recipe = {
-		{"default:stone", "default:stone", "default:stone"},
-		{"default:stone", "", "default:stone"},
-		{"default:stone", "default:stone", "default:stone"},
+		{"", "default:stone", ""},
+		{"default:stone", "default:coal_lump", "default:stone"},
+		{"", "default:stone", ""},
 	}
 })
 
@@ -156,10 +156,11 @@ minetest.register_craft({
 })
 
 minetest.register_craft({
-	output = "moreblocks:stone_tile 4",
+	output = "moreblocks:stone_tile 9",
 	recipe = {
-		{"default:cobble", "default:cobble"},
-		{"default:cobble", "default:cobble"},
+		{"default:cobble", "default:cobble", "default:cobble"},
+		{"default:cobble", "default:stone", "default:cobble"},
+		{"default:cobble", "default:cobble", "default:cobble"},
 	}
 })
 
diff --git a/moreblocks/stairsplus/API.md b/moreblocks/stairsplus/API.md
index 1011487..cd8d1a7 100644
--- a/moreblocks/stairsplus/API.md
+++ b/moreblocks/stairsplus/API.md
@@ -20,4 +20,63 @@ You will probably never want to use them directly:
 * `stairsplus:register_slab(modname, subname, recipeitem, fields)`
 * `stairsplus:register_panel(modname, subname, recipeitem, fields)`
 * `stairsplus:register_micro(modname, subname, recipeitem, fields)`
+* `stairsplus:register_slope(modname, subname, recipeitem, fields)`
 
+If you only want to register a subset of stairsplus nodes,
+you can use the `stairsplus:register_custom_subset(subset, modname, subname, recipeitem, fields)` function.
+The subset table should have the following format:
+
+```lua
+    local subset = {
+    	{ "micro", "" },
+    	{ "micro", "_1" },
+    	{ "micro", "_2" },
+    	{ "micro", "_4" },
+    	{ "micro", "_12" },
+    	{ "micro", "_14" },
+    	{ "micro", "_15" },
+    	{ "panel", "" },
+    	{ "panel", "_1" },
+    	{ "panel", "_2" },
+    	{ "panel", "_4" },
+    	{ "panel", "_12" },
+    	{ "panel", "_14" },
+    	{ "panel", "_15" },
+    	{ "slab",  "" },
+    	{ "slab",  "_quarter" },
+    	{ "slab",  "_three_quarter" },
+    	{ "slab",  "_1" },
+    	{ "slab",  "_2" },
+    	{ "slab",  "_14" },
+    	{ "slab",  "_15" },
+    	{ "slab",  "_two_sides" },
+    	{ "slab",  "_three_sides" },
+    	{ "slab",  "_three_sides_u" },
+    	{ "slope", "" },
+    	{ "slope", "_half" },
+    	{ "slope", "_half_raised" },
+    	{ "slope", "_inner" },
+    	{ "slope", "_inner_half" },
+    	{ "slope", "_inner_half_raised" },
+    	{ "slope", "_inner_cut" },
+    	{ "slope", "_inner_cut_half" },
+    	{ "slope", "_inner_cut_half_raised" },
+    	{ "slope", "_outer" },
+    	{ "slope", "_outer_half" },
+    	{ "slope", "_outer_half_raised" },
+    	{ "slope", "_outer_cut" },
+    	{ "slope", "_outer_cut_half" },
+    	{ "slope", "_outer_cut_half_raised" },
+    	{ "slope", "_cut" },
+    	{ "stair", "" },
+    	{ "stair", "_half" },
+    	{ "stair", "_right_half" },
+    	{ "stair", "_inner" },
+    	{ "stair", "_outer" },
+    	{ "stair", "_alt" },
+    	{ "stair", "_alt_1" },
+    	{ "stair", "_alt_2" },
+    	{ "stair", "_alt_4" },
+    }
+```
+You can remove entries as needed.
\ No newline at end of file
diff --git a/moreblocks/stairsplus/common.lua b/moreblocks/stairsplus/common.lua
new file mode 100644
index 0000000..a7134b2
--- /dev/null
+++ b/moreblocks/stairsplus/common.lua
@@ -0,0 +1,61 @@
+--[[
+More Blocks: registrations
+
+Copyright (c) 2011-2018 Hugo Locurcio and contributors.
+Licensed under the zlib license. See LICENSE.md for more information.
+--]]
+
+local S = moreblocks.intllib
+
+
+stairsplus.register_single = function(category, alternate, info, modname, subname, recipeitem, fields)
+	local descriptions = {
+		["micro"] = "Microblock",
+		["slab"] = "Slab",
+		["slope"] = "Slope",
+		["panel"] = "Panel",
+		["stair"] = "Stairs",
+	}
+	local def = {}
+	if category ~= "slab" then
+		def = table.copy(info)
+	end
+
+	for k, v in pairs(fields) do
+		def[k] = v
+	end
+	def.drawtype = "nodebox"
+	if category == "slope" then
+		def.drawtype = "mesh"
+	end
+	def.paramtype = "light"
+	def.paramtype2 = def.paramtype2 or "facedir"
+	def.on_place = minetest.rotate_node
+	if category ~= "slab" then
+		def.description = S("%s " .. descriptions[category]):format(fields.description)
+	else
+		local desc_base = S("%s " .. descriptions[category]):format(fields.description)
+		if type(info) ~= "table" then
+			def.node_box = {
+				type = "fixed",
+				fixed = {-0.5, -0.5, -0.5, 0.5, (info/16)-0.5, 0.5},
+			}
+			def.description = ("%s (%d/16)"):format(desc_base, info)
+		else
+			def.node_box = {
+				type = "fixed",
+				fixed = info,
+			}
+			def.description = desc_base .. alternate:gsub("_", " "):gsub("(%a)(%S*)", function(a, b) return a:upper() .. b end)
+		end
+	end
+	def.groups = stairsplus:prepare_groups(fields.groups)
+	if category == "stair" and alternate == "" then
+		def.groups.stair = 1
+	end
+	if fields.drop and not (type(fields.drop) == "table") then
+		def.drop = modname.. ":" .. category .. "_" .. fields.drop .. alternate
+	end
+	minetest.register_node(":" ..modname.. ":" .. category .. "_" .. subname .. alternate, def)
+	stairsplus.register_recipes(category, alternate, modname, subname, recipeitem)
+end
\ No newline at end of file
diff --git a/moreblocks/stairsplus/custom.lua b/moreblocks/stairsplus/custom.lua
new file mode 100644
index 0000000..e456f7c
--- /dev/null
+++ b/moreblocks/stairsplus/custom.lua
@@ -0,0 +1,98 @@
+--[[
+More Blocks: microblock definitions
+
+Copyright (c) 2011-2018 Hugo Locurcio and contributors.
+Licensed under the zlib license. See LICENSE.md for more information.
+--]]
+
+local S = moreblocks.intllib
+
+--[[
+Subset table should have the following format: (You can remove entries as needed.)
+
+local subset = {
+	{ "micro", "" },
+	{ "micro", "_1" },
+	{ "micro", "_2" },
+	{ "micro", "_4" },
+	{ "micro", "_12" },
+	{ "micro", "_14" },
+	{ "micro", "_15" },
+	{ "panel", "" },
+	{ "panel", "_1" },
+	{ "panel", "_2" },
+	{ "panel", "_4" },
+	{ "panel", "_12" },
+	{ "panel", "_14" },
+	{ "panel", "_15" },
+	{ "slab",  "" },
+	{ "slab",  "_quarter" },
+	{ "slab",  "_three_quarter" },
+	{ "slab",  "_1" },
+	{ "slab",  "_2" },
+	{ "slab",  "_14" },
+	{ "slab",  "_15" },
+	{ "slab",  "_two_sides" },
+	{ "slab",  "_three_sides" },
+	{ "slab",  "_three_sides_u" },
+	{ "slope", "" },
+	{ "slope", "_half" },
+	{ "slope", "_half_raised" },
+	{ "slope", "_inner" },
+	{ "slope", "_inner_half" },
+	{ "slope", "_inner_half_raised" },
+	{ "slope", "_inner_cut" },
+	{ "slope", "_inner_cut_half" },
+	{ "slope", "_inner_cut_half_raised" },
+	{ "slope", "_outer" },
+	{ "slope", "_outer_half" },
+	{ "slope", "_outer_half_raised" },
+	{ "slope", "_outer_cut" },
+	{ "slope", "_outer_cut_half" },
+	{ "slope", "_outer_cut_half_raised" },
+	{ "slope", "_cut" },
+	{ "stair", "" },
+	{ "stair", "_half" },
+	{ "stair", "_right_half" },
+	{ "stair", "_inner" },
+	{ "stair", "_outer" },
+	{ "stair", "_alt" },
+	{ "stair", "_alt_1" },
+	{ "stair", "_alt_2" },
+	{ "stair", "_alt_4" },
+}
+--]]
+
+function register_custom_subset(subset, modname, subname, recipeitem, groups, images, description, drop, light)
+	stairsplus:register_custom_subset(subset, modname, subname, recipeitem, {
+		groups = groups,
+		tiles = images,
+		description = description,
+		drop = drop,
+		light_source = light,
+		sounds = default.node_sound_stone_defaults(),
+	})
+end
+
+function stairsplus:register_custom_subset_alias(subset, modname_old, subname_old, modname_new, subname_new)
+	local subset = table.copy(subset)
+	for k, v in pairs(subset) do
+		minetest.register_alias(modname_old .. ":" .. v[1] .. "_" .. subname_old .. v[2], modname_new .. ":" .. v[1] .. "_" .. subname_new .. v[2])
+	end
+end
+
+function stairsplus:register_custom_subset_alias_force(subset, modname_old, subname_old, modname_new, subname_new)
+	local subset = table.copy(subset)
+	for k, v in pairs(subset) do
+		minetest.register_alias_force(modname_old .. ":" .. v[1] .. "_" .. subname_old .. v[2], modname_new .. ":" .. v[1] .. "_" .. subname_new .. v[2])
+	end
+end
+
+function stairsplus:register_custom_subset(subset, modname, subname, recipeitem, fields)
+	local subset = table.copy(subset)
+	for k, v in pairs(subset) do
+		stairsplus.register_single(v[1], v[2], stairsplus.defs[v[1]][v[2]], modname, subname, recipeitem, fields)
+	end
+
+	circular_saw.known_nodes[recipeitem] = {modname, subname}
+end
diff --git a/moreblocks/stairsplus/defs.lua b/moreblocks/stairsplus/defs.lua
new file mode 100644
index 0000000..560b1f2
--- /dev/null
+++ b/moreblocks/stairsplus/defs.lua
@@ -0,0 +1,409 @@
+--[[
+More Blocks: registrations
+
+Copyright (c) 2011-2018 Hugo Locurcio and contributors.
+Licensed under the zlib license. See LICENSE.md for more information.
+--]]
+
+
+local box_slope = {
+	type = "fixed",
+	fixed = {
+		{-0.5,  -0.5,  -0.5, 0.5, -0.25, 0.5},
+		{-0.5, -0.25, -0.25, 0.5,     0, 0.5},
+		{-0.5,     0,     0, 0.5,  0.25, 0.5},
+		{-0.5,  0.25,  0.25, 0.5,   0.5, 0.5}
+	}
+}
+
+local box_slope_half = {
+	type = "fixed",
+	fixed = {
+		{-0.5, -0.5,   -0.5,  0.5, -0.375, 0.5},
+		{-0.5, -0.375, -0.25, 0.5, -0.25,  0.5},
+		{-0.5, -0.25,  0,    0.5, -0.125, 0.5},
+		{-0.5, -0.125, 0.25, 0.5,  0,     0.5},
+	}
+}
+
+local box_slope_half_raised = {
+	type = "fixed",
+	fixed = {
+		{-0.5, -0.5,   -0.5,  0.5, 0.125, 0.5},
+		{-0.5, 0.125, -0.25, 0.5, 0.25,  0.5},
+		{-0.5, 0.25,  0,    0.5, 0.375, 0.5},
+		{-0.5, 0.375, 0.25, 0.5,  0.5,     0.5},
+	}
+}
+
+--==============================================================
+
+local box_slope_inner = {
+	type = "fixed",
+	fixed = {
+		{-0.5, -0.5, -0.5, 0.5, -0.25, 0.5},
+		{-0.5, -0.5, -0.25, 0.5, 0, 0.5},
+		{-0.5, -0.5, -0.5, 0.25, 0, 0.5},
+		{-0.5, 0, -0.5, 0, 0.25, 0.5},
+		{-0.5, 0, 0, 0.5, 0.25, 0.5},
+		{-0.5, 0.25, 0.25, 0.5, 0.5, 0.5},
+		{-0.5, 0.25, -0.5, -0.25, 0.5, 0.5},
+	}
+}
+
+local box_slope_inner_half = {
+	type = "fixed",
+	fixed = {
+		{-0.5, -0.5, -0.5, 0.5, -0.375, 0.5},
+		{-0.5, -0.375, -0.25, 0.5, -0.25, 0.5},
+		{-0.5, -0.375, -0.5, 0.25, -0.25, 0.5},
+		{-0.5, -0.25, -0.5, 0, -0.125, 0.5},
+		{-0.5, -0.25, 0, 0.5, -0.125, 0.5},
+		{-0.5, -0.125, 0.25, 0.5, 0, 0.5},
+		{-0.5, -0.125, -0.5, -0.25, 0, 0.5},
+	}
+}
+
+local box_slope_inner_half_raised = {
+	type = "fixed",
+	fixed = {
+		{-0.5, -0.5, -0.5, 0.5, 0.125, 0.5},
+		{-0.5, 0.125, -0.25, 0.5, 0.25, 0.5},
+		{-0.5, 0.125, -0.5, 0.25, 0.25, 0.5},
+		{-0.5, 0.25, -0.5, 0, 0.375, 0.5},
+		{-0.5, 0.25, 0, 0.5, 0.375, 0.5},
+		{-0.5, 0.375, 0.25, 0.5, 0.5, 0.5},
+		{-0.5, 0.375, -0.5, -0.25, 0.5, 0.5},
+	}
+}
+
+--==============================================================
+
+local box_slope_outer = {
+	type = "fixed",
+	fixed = {
+		{-0.5,  -0.5,  -0.5,   0.5, -0.25, 0.5},
+		{-0.5, -0.25, -0.25,  0.25,     0, 0.5},
+		{-0.5,     0,     0,     0,  0.25, 0.5},
+		{-0.5,  0.25,  0.25, -0.25,   0.5, 0.5}
+	}
+}
+
+local box_slope_outer_half = {
+	type = "fixed",
+	fixed = {
+		{-0.5,  -0.5,  -0.5,   0.5, -0.375, 0.5},
+		{-0.5, -0.375, -0.25,  0.25, -0.25, 0.5},
+		{-0.5,  -0.25,     0,     0, -0.125, 0.5},
+		{-0.5,  -0.125,  0.25, -0.25, 0, 0.5}
+	}
+}
+
+local box_slope_outer_half_raised = {
+	type = "fixed",
+	fixed = {
+		{-0.5,  -0.5,  -0.5,   0.5, 0.125, 0.5},
+		{-0.5, 0.125, -0.25,  0.25, 0.25, 0.5},
+		{-0.5,  0.25,     0,     0, 0.375, 0.5},
+		{-0.5,  0.375,  0.25, -0.25, 0.5, 0.5}
+	}
+}
+
+stairsplus.defs = {
+	["micro"] = {
+		[""] = {
+			node_box = {
+				type = "fixed",
+				fixed = {-0.5, -0.5, 0, 0, 0, 0.5},
+			},
+		},
+		["_1"] = {
+			node_box = {
+				type = "fixed",
+				fixed = {-0.5, -0.5, 0, 0, -0.4375, 0.5},
+			},
+		},
+		["_2"] = {
+			node_box = {
+				type = "fixed",
+				fixed = {-0.5, -0.5, 0, 0, -0.375, 0.5},
+			},
+		},
+		["_4"] = {
+			node_box = {
+				type = "fixed",
+				fixed = {-0.5, -0.5, 0, 0, -0.25, 0.5},
+			},
+		},
+		["_12"] = {
+			node_box = {
+				type = "fixed",
+				fixed = {-0.5, -0.5, 0, 0, 0.25, 0.5},
+			},
+		},
+		["_14"] = {
+			node_box = {
+				type = "fixed",
+				fixed = {-0.5, -0.5, 0, 0, 0.375, 0.5},
+			},
+		},
+		["_15"] = {
+			node_box = {
+				type = "fixed",
+				fixed = {-0.5, -0.5, 0, 0, 0.4375, 0.5},
+			},
+		}
+	},
+	["panel"] = {
+		[""] = {
+			node_box = {
+				type = "fixed",
+				fixed = {-0.5, -0.5, 0, 0.5, 0, 0.5},
+			},
+		},
+		["_1"] = {
+			node_box = {
+				type = "fixed",
+				fixed = {-0.5, -0.5, 0, 0.5, -0.4375, 0.5},
+			},
+		},
+		["_2"] = {
+			node_box = {
+				type = "fixed",
+				fixed = {-0.5, -0.5, 0, 0.5, -0.375, 0.5},
+			},
+		},
+		["_4"] = {
+			node_box = {
+				type = "fixed",
+				fixed = {-0.5, -0.5, 0, 0.5, -0.25, 0.5},
+			},
+		},
+		["_12"] = {
+			node_box = {
+				type = "fixed",
+				fixed = {-0.5, -0.5, 0, 0.5, 0.25, 0.5},
+			},
+		},
+		["_14"] = {
+			node_box = {
+				type = "fixed",
+				fixed = {-0.5, -0.5, 0, 0.5, 0.375, 0.5},
+			},
+		},
+		["_15"] = {
+			node_box = {
+				type = "fixed",
+				fixed = {-0.5, -0.5, 0, 0.5, 0.4375, 0.5},
+			},
+		}
+	},
+	["slab"] = {
+		[""] = 8,
+		["_quarter"] = 4,
+		["_three_quarter"] = 12,
+		["_1"] = 1,
+		["_2"] = 2,
+		["_14"] = 14,
+		["_15"] = 15,
+		["_two_sides"] = {
+			{ -0.5, -0.5, -0.5, 0.5, -7/16, 7/16 },
+			{ -0.5, -0.5, 7/16, 0.5, 0.5, 0.5 }
+		},
+		["_three_sides"] = {
+			{ -7/16, -0.5, -0.5, 0.5, -7/16, 7/16 },
+			{ -7/16, -0.5, 7/16, 0.5, 0.5, 0.5 },
+			{ -0.5, -0.5, -0.5, -7/16, 0.5, 0.5 }
+		},
+		["_three_sides_u"] = {
+			{ -0.5, -0.5, -0.5, 0.5, 0.5, -7/16 },
+			{ -0.5, -0.5, -7/16, 0.5, -7/16, 7/16 },
+			{ -0.5, -0.5, 7/16, 0.5, 0.5, 0.5 }
+		}
+	},
+	["slope"] = {
+		[""] = {
+			mesh = "moreblocks_slope.obj",
+			collision_box = box_slope,
+			selection_box = box_slope,
+
+		},
+		["_half"] = {
+			mesh = "moreblocks_slope_half.obj",
+			collision_box = box_slope_half,
+			selection_box = box_slope_half,
+		},
+		["_half_raised"] = {
+			mesh = "moreblocks_slope_half_raised.obj",
+			collision_box = box_slope_half_raised,
+			selection_box = box_slope_half_raised,
+		},
+
+		--==============================================================
+
+		["_inner"] = {
+			mesh = "moreblocks_slope_inner.obj",
+			collision_box = box_slope_inner,
+			selection_box = box_slope_inner,
+		},
+		["_inner_half"] = {
+			mesh = "moreblocks_slope_inner_half.obj",
+			collision_box = box_slope_inner_half,
+			selection_box = box_slope_inner_half,
+		},
+		["_inner_half_raised"] = {
+			mesh = "moreblocks_slope_inner_half_raised.obj",
+			collision_box = box_slope_inner_half_raised,
+			selection_box = box_slope_inner_half_raised,
+		},
+
+		--==============================================================
+
+		["_inner_cut"] = {
+			mesh = "moreblocks_slope_inner_cut.obj",
+			collision_box = box_slope_inner,
+			selection_box = box_slope_inner,
+		},
+		["_inner_cut_half"] = {
+			mesh = "moreblocks_slope_inner_cut_half.obj",
+			collision_box = box_slope_inner_half,
+			selection_box = box_slope_inner_half,
+		},
+		["_inner_cut_half_raised"] = {
+			mesh = "moreblocks_slope_inner_cut_half_raised.obj",
+			collision_box = box_slope_inner_half_raised,
+			selection_box = box_slope_inner_half_raised,
+		},
+
+		--==============================================================
+
+		["_outer"] = {
+			mesh = "moreblocks_slope_outer.obj",
+			collision_box = box_slope_outer,
+			selection_box = box_slope_outer,
+		},
+		["_outer_half"] = {
+			mesh = "moreblocks_slope_outer_half.obj",
+			collision_box = box_slope_outer_half,
+			selection_box = box_slope_outer_half,
+		},
+		["_outer_half_raised"] = {
+			mesh = "moreblocks_slope_outer_half_raised.obj",
+			collision_box = box_slope_outer_half_raised,
+			selection_box = box_slope_outer_half_raised,
+		},
+
+		--==============================================================
+
+		["_outer_cut"] = {
+			mesh = "moreblocks_slope_outer_cut.obj",
+			collision_box = box_slope_outer,
+			selection_box = box_slope_outer,
+		},
+		["_outer_cut_half"] = {
+			mesh = "moreblocks_slope_outer_cut_half.obj",
+			collision_box = box_slope_outer_half,
+			selection_box = box_slope_outer_half,
+		},
+		["_outer_cut_half_raised"] = {
+			mesh = "moreblocks_slope_outer_cut_half_raised.obj",
+			collision_box = box_slope_outer_half_raised,
+			selection_box = box_slope_outer_half_raised,
+		},
+		["_cut"] = {
+			mesh = "moreblocks_slope_cut.obj",
+			collision_box = box_slope_outer,
+			selection_box = box_slope_outer,
+		},
+	},
+	["stair"] = {
+		[""] = {
+			node_box = {
+				type = "fixed",
+				fixed = {
+					{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
+					{-0.5, 0, 0, 0.5, 0.5, 0.5},
+				},
+			},
+		},
+		["_half"] = {
+			node_box = {
+				type = "fixed",
+				fixed = {
+					{-0.5, -0.5, -0.5, 0, 0, 0.5},
+					{-0.5, 0, 0, 0, 0.5, 0.5},
+				},
+			},
+		},
+		["_right_half"] = {
+			node_box = {
+				type = "fixed",
+				fixed = {
+					{0, -0.5, -0.5, 0.5, 0, 0.5},
+					{0, 0, 0, 0.5, 0.5, 0.5},
+				},
+			},
+		},
+		["_inner"] = {
+			node_box = {
+				type = "fixed",
+				fixed = {
+					{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
+					{-0.5, 0, 0, 0.5, 0.5, 0.5},
+					{-0.5, 0, -0.5, 0, 0.5, 0},
+				},
+			},
+		},
+		["_outer"] = {
+			node_box = {
+				type = "fixed",
+				fixed = {
+					{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
+					{-0.5, 0, 0, 0, 0.5, 0.5},
+				},
+			},
+		},
+		["_alt"] = {
+			node_box = {
+				type = "fixed",
+				fixed = {
+					{-0.5, -0.5, -0.5, 0.5, 0, 0},
+					{-0.5, 0, 0, 0.5, 0.5, 0.5},
+				},
+			},
+		},
+		["_alt_1"] = {
+			node_box = {
+				type = "fixed",
+				fixed = {
+					{-0.5, -0.0625, -0.5, 0.5, 0, 0},
+					{-0.5, 0.4375, 0, 0.5, 0.5, 0.5},
+				},
+			},
+		},
+		["_alt_2"] = {
+			node_box = {
+				type = "fixed",
+				fixed = {
+					{-0.5, -0.125, -0.5, 0.5, 0, 0},
+					{-0.5, 0.375, 0, 0.5, 0.5, 0.5},
+				},
+			},
+		},
+		["_alt_4"] = {
+			node_box = {
+				type = "fixed",
+				fixed = {
+					{-0.5, -0.25, -0.5, 0.5, 0, 0},
+					{-0.5, 0.25, 0, 0.5, 0.5, 0.5},
+				},
+			},
+		},
+	},
+}
+
+for type,a in pairs(stairsplus.defs) do
+	for name,b in pairs(stairsplus.defs[type]) do
+		table.insert(stairsplus.shapes_list, { type .. "_", name })
+	end
+end
\ No newline at end of file
diff --git a/moreblocks/stairsplus/init.lua b/moreblocks/stairsplus/init.lua
index 5cd415c..4f3a17e 100644
--- a/moreblocks/stairsplus/init.lua
+++ b/moreblocks/stairsplus/init.lua
@@ -5,7 +5,7 @@ Copyright (c) 2011-2017 Hugo Locurcio and contributors.
 Licensed under the zlib license. See LICENSE.md for more information.
 --]]
 
--- Nodes will be called <modname>:{stair,slab,panel,micro}_<subname>
+-- Nodes will be called <modname>:{stair,slab,panel,micro,slope}_<subname>
 
 local modpath = minetest.get_modpath("moreblocks").. "/stairsplus"
 
@@ -19,21 +19,6 @@ and minetest.settings:get_bool("creative_mode") then
 	stairsplus.expect_infinite_stacks = true
 end
 
-function stairsplus.copytable(orig)
-	local orig_type = type(orig)
-	local copy
-	if orig_type == 'table' then
-		copy = {}
-		for orig_key, orig_value in next, orig, nil do
-			copy[stairsplus.copytable(orig_key)] = stairsplus.copytable(orig_value)
-		end
-		setmetatable(copy, stairsplus.copytable(getmetatable(orig)))
-	else
-		copy = orig
-	end
-	return copy
-end
-
 function stairsplus:prepare_groups(groups)
 	local result = {}
 	if groups then
@@ -85,9 +70,13 @@ end
 
 -- dofile(modpath.. "/aliases.lua") -- Not needed as of Q2 2013, uncomment to fix old maps.
 -- dofile(modpath.. "/conversion.lua") -- Not needed as of Q2 2013, uncomment to fix old maps.
+dofile(modpath .. "/defs.lua")
+dofile(modpath .. "/recipes.lua")
+dofile(modpath .. "/common.lua")
 dofile(modpath .. "/stairs.lua")
 dofile(modpath .. "/slabs.lua")
 dofile(modpath .. "/slopes.lua")
 dofile(modpath .. "/panels.lua")
 dofile(modpath .. "/microblocks.lua")
+dofile(modpath .. "/custom.lua")
 dofile(modpath .. "/registrations.lua")
diff --git a/moreblocks/stairsplus/microblocks.lua b/moreblocks/stairsplus/microblocks.lua
index 50d8487..22c20a3 100644
--- a/moreblocks/stairsplus/microblocks.lua
+++ b/moreblocks/stairsplus/microblocks.lua
@@ -20,138 +20,25 @@ function register_micro(modname, subname, recipeitem, groups, images, descriptio
 	})
 end
 
-local microblocks_defs = {
-	[""] = {
-		node_box = {
-			type = "fixed",
-			fixed = {-0.5, -0.5, 0, 0, 0, 0.5},
-		},
-	},
-	["_1"] = {
-		node_box = {
-			type = "fixed",
-			fixed = {-0.5, -0.5, 0, 0, -0.4375, 0.5},
-		},
-	},
-	["_2"] = {
-		node_box = {
-			type = "fixed",
-			fixed = {-0.5, -0.5, 0, 0, -0.375, 0.5},
-		},
-	},
-	["_4"] = {
-		node_box = {
-			type = "fixed",
-			fixed = {-0.5, -0.5, 0, 0, -0.25, 0.5},
-		},
-	},
-	["_12"] = {
-		node_box = {
-			type = "fixed",
-			fixed = {-0.5, -0.5, 0, 0, 0.25, 0.5},
-		},
-	},
-	["_14"] = {
-		node_box = {
-			type = "fixed",
-			fixed = {-0.5, -0.5, 0, 0, 0.375, 0.5},
-		},
-	},
-	["_15"] = {
-		node_box = {
-			type = "fixed",
-			fixed = {-0.5, -0.5, 0, 0, 0.4375, 0.5},
-		},
-	}
-}
-
-for k,v in pairs(microblocks_defs) do
-	table.insert(stairsplus.shapes_list, { "micro_", k })
-end
-
 function stairsplus:register_micro_alias(modname_old, subname_old, modname_new, subname_new)
-	local defs = stairsplus.copytable(microblocks_defs)
+	local defs = table.copy(stairsplus.defs["micro"])
 	for alternate, def in pairs(defs) do
 		minetest.register_alias(modname_old .. ":micro_" .. subname_old .. alternate, modname_new .. ":micro_" .. subname_new .. alternate)
 	end
 end
 
 function stairsplus:register_micro_alias_force(modname_old, subname_old, modname_new, subname_new)
-	local defs = stairsplus.copytable(microblocks_defs)
+	local defs = table.copy(stairsplus.defs["micro"])
 	for alternate, def in pairs(defs) do
 		minetest.register_alias_force(modname_old .. ":micro_" .. subname_old .. alternate, modname_new .. ":micro_" .. subname_new .. alternate)
 	end
 end
 
 function stairsplus:register_micro(modname, subname, recipeitem, fields)
-	local defs = stairsplus.copytable(microblocks_defs)
-	local desc = S("%s Microblock"):format(fields.description)
+	local defs = table.copy(stairsplus.defs["micro"])
 	for alternate, def in pairs(defs) do
-		for k, v in pairs(fields) do
-			def[k] = v
-		end
-		def.drawtype = "nodebox"
-		def.paramtype = "light"
-		def.paramtype2 = def.paramtype2 or "facedir"
-		def.on_place = minetest.rotate_node
-		def.groups = stairsplus:prepare_groups(fields.groups)
-		def.description = desc
-		if fields.drop and not (type(fields.drop) == "table") then
-			def.drop = modname.. ":micro_" ..fields.drop..alternate
-		end
-		minetest.register_node(":" ..modname.. ":micro_" ..subname..alternate, def)
+		stairsplus.register_single("micro", alternate, def, modname, subname, recipeitem, fields)
 	end
-	minetest.register_alias(modname.. ":micro_" ..subname.. "_bottom", modname.. ":micro_" ..subname)
 
 	circular_saw.known_nodes[recipeitem] = {modname, subname}
-
-	-- Some saw-less recipes:
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":micro_" .. subname .. " 7",
-		recipe = {modname .. ":stair_" .. subname .. "_inner"},
-	})
-
-	minetest.register_craft({
-	output = modname .. ":micro_" .. subname .. " 6",
-		type = "shapeless",
-	recipe = {modname .. ":stair_" .. subname},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":micro_" .. subname .. " 5",
-		recipe = {modname .. ":stair_" .. subname .. "_outer"},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":micro_" .. subname .. " 4",
-		recipe = {modname .. ":slab_" .. subname},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":micro_" .. subname .. " 4",
-		recipe = {modname .. ":stair_" .. subname .. "_alt"},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":micro_" .. subname .. " 3",
-		recipe = {modname .. ":stair_" .. subname .. "_right_half"},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":micro_" .. subname .. " 2",
-		recipe = {modname .. ":panel_" .. subname},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = recipeitem,
-		recipe = {modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname},
-	})
 end
diff --git a/moreblocks/stairsplus/panels.lua b/moreblocks/stairsplus/panels.lua
index 98e77fd..ac641d8 100644
--- a/moreblocks/stairsplus/panels.lua
+++ b/moreblocks/stairsplus/panels.lua
@@ -20,118 +20,25 @@ function register_panel(modname, subname, recipeitem, groups, images, descriptio
 	})
 end
 
-local panels_defs = {
-	[""] = {
-		node_box = {
-			type = "fixed",
-			fixed = {-0.5, -0.5, 0, 0.5, 0, 0.5},
-		},
-	},
-	["_1"] = {
-		node_box = {
-			type = "fixed",
-			fixed = {-0.5, -0.5, 0, 0.5, -0.4375, 0.5},
-		},
-	},
-	["_2"] = {
-		node_box = {
-			type = "fixed",
-			fixed = {-0.5, -0.5, 0, 0.5, -0.375, 0.5},
-		},
-	},
-	["_4"] = {
-		node_box = {
-			type = "fixed",
-			fixed = {-0.5, -0.5, 0, 0.5, -0.25, 0.5},
-		},
-	},
-	["_12"] = {
-		node_box = {
-			type = "fixed",
-			fixed = {-0.5, -0.5, 0, 0.5, 0.25, 0.5},
-		},
-	},
-	["_14"] = {
-		node_box = {
-			type = "fixed",
-			fixed = {-0.5, -0.5, 0, 0.5, 0.375, 0.5},
-		},
-	},
-	["_15"] = {
-		node_box = {
-			type = "fixed",
-			fixed = {-0.5, -0.5, 0, 0.5, 0.4375, 0.5},
-		},
-	}
-}
-
-for k,v in pairs(panels_defs) do
-	table.insert(stairsplus.shapes_list, { "panel_", k })
-end
-
 function stairsplus:register_panel_alias(modname_old, subname_old, modname_new, subname_new)
-	local defs = stairsplus.copytable(panels_defs)
+	local defs = table.copy(stairsplus.defs["panel"])
 	for alternate, def in pairs(defs) do
 		minetest.register_alias(modname_old .. ":panel_" .. subname_old .. alternate, modname_new .. ":panel_" .. subname_new .. alternate)
 	end
 end
 
 function stairsplus:register_panel_alias_force(modname_old, subname_old, modname_new, subname_new)
-	local defs = stairsplus.copytable(panels_defs)
+	local defs = table.copy(stairsplus.defs["panel"])
 	for alternate, def in pairs(defs) do
 		minetest.register_alias_force(modname_old .. ":panel_" .. subname_old .. alternate, modname_new .. ":panel_" .. subname_new .. alternate)
 	end
 end
 
 function stairsplus:register_panel(modname, subname, recipeitem, fields)
-	local defs = stairsplus.copytable(panels_defs)
-	local desc = S("%s Panel"):format(fields.description)
+	local defs = table.copy(stairsplus.defs["panel"])
 	for alternate, def in pairs(defs) do
-		for k, v in pairs(fields) do
-			def[k] = v
-		end
-		def.drawtype = "nodebox"
-		def.paramtype = "light"
-		def.paramtype2 = def.paramtype2 or "facedir"
-		def.on_place = minetest.rotate_node
-		def.description = desc
-		def.groups = stairsplus:prepare_groups(fields.groups)
-		if fields.drop and not (type(fields.drop) == "table") then
-			def.drop = modname.. ":panel_" ..fields.drop..alternate
-		end
-		minetest.register_node(":" ..modname.. ":panel_" ..subname..alternate, def)
+		stairsplus.register_single("panel", alternate, def, modname, subname, recipeitem, fields)
 	end
-	minetest.register_alias(modname.. ":panel_" ..subname.. "_bottom", modname.. ":panel_" ..subname)
 
 	circular_saw.known_nodes[recipeitem] = {modname, subname}
-
-	-- Some saw-less recipes:
-
-	minetest.register_craft({
-		output = modname .. ":panel_" .. subname .. " 12",
-		recipe = {
-			{recipeitem, ""},
-			{recipeitem, recipeitem},
-		},
-	})
-
-	minetest.register_craft({
-		output = modname .. ":panel_" .. subname .. " 12",
-		recipe = {
-			{"", recipeitem},
-			{recipeitem, recipeitem},
-		},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":panel_" .. subname,
-		recipe = {modname .. ":micro_" .. subname, modname .. ":micro_" .. subname},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = recipeitem,
-		recipe = {modname .. ":panel_" .. subname, modname .. ":panel_" .. subname, modname .. ":panel_" .. subname, modname .. ":panel_" .. subname},
-	})
 end
diff --git a/moreblocks/stairsplus/recipes.lua b/moreblocks/stairsplus/recipes.lua
new file mode 100644
index 0000000..56fcf68
--- /dev/null
+++ b/moreblocks/stairsplus/recipes.lua
@@ -0,0 +1,443 @@
+--[[
+More Blocks: Stairs+
+
+Copyright (c) 2011-2017 Hugo Locurcio and contributors.
+Licensed under the zlib license. See LICENSE.md for more information.
+--]]
+
+
+stairsplus.register_recipes = function(category, alternate, modname, subname, recipeitem)
+	if category == "micro" and alternate == "" then
+		minetest.register_craft({
+			type = "shapeless",
+			output = modname .. ":micro_" .. subname .. " 7",
+			recipe = {modname .. ":stair_" .. subname .. "_inner"},
+		})
+
+		minetest.register_craft({
+			type = "shapeless",
+			output = modname .. ":micro_" .. subname .. " 6",
+			recipe = {modname .. ":stair_" .. subname},
+		})
+
+		minetest.register_craft({
+			type = "shapeless",
+			output = modname .. ":micro_" .. subname .. " 5",
+			recipe = {modname .. ":stair_" .. subname .. "_outer"},
+		})
+
+		minetest.register_craft({
+			type = "shapeless",
+			output = modname .. ":micro_" .. subname .. " 4",
+			recipe = {modname .. ":slab_" .. subname},
+		})
+
+		minetest.register_craft({
+			type = "shapeless",
+			output = modname .. ":micro_" .. subname .. " 4",
+			recipe = {modname .. ":stair_" .. subname .. "_alt"},
+		})
+
+		minetest.register_craft({
+			type = "shapeless",
+			output = modname .. ":micro_" .. subname .. " 3",
+			recipe = {modname .. ":stair_" .. subname .. "_right_half"},
+		})
+
+		minetest.register_craft({
+			type = "shapeless",
+			output = modname .. ":micro_" .. subname .. " 2",
+			recipe = {modname .. ":panel_" .. subname},
+		})
+
+		minetest.register_craft({
+			type = "shapeless",
+			output = recipeitem,
+			recipe = {modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname},
+		})
+
+		minetest.register_alias(modname .. ":micro_" .. subname .. "_bottom", modname .. ":micro_" .. subname)
+	elseif category == "panel" and alternate == "" then
+		minetest.register_craft({
+			output = modname .. ":panel_" .. subname .. " 12",
+			recipe = {
+				{recipeitem, ""},
+				{recipeitem, recipeitem},
+			},
+		})
+
+		minetest.register_craft({
+			output = modname .. ":panel_" .. subname .. " 12",
+			recipe = {
+				{"", recipeitem},
+				{recipeitem, recipeitem},
+			},
+		})
+
+		minetest.register_craft({
+			type = "shapeless",
+			output = modname .. ":panel_" .. subname,
+			recipe = {modname .. ":micro_" .. subname, modname .. ":micro_" .. subname},
+		})
+
+		minetest.register_craft({
+			type = "shapeless",
+			output = recipeitem,
+			recipe = {modname .. ":panel_" .. subname, modname .. ":panel_" .. subname, modname .. ":panel_" .. subname, modname .. ":panel_" .. subname},
+		})
+
+		minetest.register_alias(modname.. ":panel_" ..subname.. "_bottom", modname.. ":panel_" ..subname)
+	elseif category == "slab" then
+		if alternate == "" then
+			minetest.register_craft({
+				output = modname .. ":slab_" .. subname .. " 6",
+				recipe = {{recipeitem, recipeitem, recipeitem}},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slab_" .. subname,
+				recipe = {modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname},
+			})
+
+			-- uncomment this rule when conflict is no longer likely to happen
+			--	https://github.com/minetest/minetest/issues/2881
+			-- minetest.register_craft({
+			--	type = "shapeless",
+			--	output = modname .. ":slab_" .. subname,
+			--	recipe = {modname .. ":panel_" .. subname, modname .. ":panel_" .. subname},
+			-- })
+
+			-- then remove these two
+			minetest.register_craft({
+				output = modname .. ":slab_" .. subname,
+				recipe = {{modname .. ":panel_" .. subname, modname .. ":panel_" .. subname}},
+			})
+
+			minetest.register_craft({
+				output = modname .. ":slab_" .. subname,
+				recipe = {
+					{modname .. ":panel_" .. subname},
+					{modname .. ":panel_" .. subname},
+				},
+			})
+			------------------------------
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = recipeitem,
+				recipe = {modname .. ":slab_" .. subname, modname .. ":slab_" .. subname},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slab_" .. subname .. " 3",
+				recipe = {modname .. ":stair_" .. subname, modname .. ":stair_" .. subname},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slab_" .. subname,
+				recipe = {modname .. ":slab_" .. subname .. "_quarter", modname .. ":slab_" .. subname .. "_quarter"},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slab_" .. subname,
+				recipe = {modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2"},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slab_" .. subname,
+				recipe = {modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1"},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slab_" .. subname,
+				recipe =  {modname .. ":slope_" .. subname .. "_half", modname .. ":slope_" .. subname .. "_half"},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slab_" .. subname,
+				recipe =  {modname .. ":slope_" .. subname .. "_outer_half", modname .. ":slope_" .. subname .. "_inner_half"},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slab_" .. subname,
+				recipe =  {modname .. ":slope_" .. subname .. "_outer_cut_half", modname .. ":slope_" .. subname .. "_inner_cut_half"},
+			})
+		elseif alternate == "_quarter" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = recipeitem,
+				recipe = {modname .. ":slab_" .. subname .. "_quarter", modname .. ":slab_" .. subname .. "_quarter", modname .. ":slab_" .. subname .. "_quarter", modname .. ":slab_" .. subname .. "_quarter"},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = recipeitem,
+				recipe = {modname .. ":slab_" .. subname .. "_three_quarter", modname .. ":slab_" .. subname .. "_quarter"},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slab_" .. subname .. "_quarter",
+				recipe = {modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2"},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slab_" .. subname .. "_quarter",
+				recipe = {modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1"},
+			})
+		elseif alternate == "_three_quarter" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slab_" .. subname .. "_three_quarter",
+				recipe = {modname .. ":slab_" .. subname, modname .. ":slab_" .. subname .. "_quarter"},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slab_" .. subname .. "_three_quarter",
+				recipe = {modname .. ":slab_" .. subname .. "_quarter", modname .. ":slab_" .. subname .. "_quarter", modname .. ":slab_" .. subname .. "_quarter"},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slab_" .. subname .. "_three_quarter",
+				recipe = {modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2"},
+			})
+		elseif alternate == "_2" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = recipeitem,
+				recipe = {modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2"},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = recipeitem,
+				recipe = {modname .. ":slab_" .. subname .. "_14", modname .. ":slab_" .. subname .. "_2"},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slab_" .. subname .. "_2",
+				recipe = {modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1"},
+			})
+		elseif alternate == "_14" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slab_" .. subname .. "_14",
+				recipe = {modname .. ":slab_" .. subname .. "_three_quarter", modname .. ":slab_" .. subname .. "_2"},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slab_" .. subname .. "_14",
+				recipe = {modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2"},
+			})
+		elseif alternate == "_15" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = recipeitem,
+				recipe = {modname .. ":slab_" .. subname .. "_15", modname .. ":slab_" .. subname .. "_1"},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slab_" .. subname .. "_15",
+				recipe = {modname .. ":slab_" .. subname .. "_14", modname .. ":slab_" .. subname .. "_1"},
+			})
+		end
+	elseif category == "slope" then
+		if alternate == "" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = recipeitem,
+				recipe =  {modname .. ":slope_" .. subname, modname .. ":slope_" .. subname},
+			})
+		elseif alternate == "_half" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = recipeitem,
+				recipe =  {modname .. ":slope_" .. subname .. "_half", modname .. ":slope_" .. subname .. "_half_raised"},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = recipeitem,
+				recipe =  {modname .. ":slope_" .. subname .. "_half", modname .. ":slope_" .. subname .. "_half",
+					modname .. ":slope_" .. subname .. "_half", modname .. ":slope_" .. subname .. "_half"},
+			})
+		elseif alternate == "_outer" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = recipeitem,
+				recipe =  {modname .. ":slope_" .. subname .. "_outer", modname .. ":slope_" .. subname .. "_inner"},
+			})
+		elseif alternate == "_outer_half" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = recipeitem,
+				recipe =  {modname .. ":slope_" .. subname .. "_outer_half", modname .. ":slope_" .. subname .. "_inner_half_raised"},
+			})
+		elseif alternate == "_inner_half" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = recipeitem,
+				recipe =  {modname .. ":slope_" .. subname .. "_outer_half_raised", modname .. ":slope_" .. subname .. "_inner_half"},
+			})
+		elseif alternate == "_outer_cut" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = recipeitem,
+				recipe =  {modname .. ":slope_" .. subname .. "_outer_cut", modname .. ":slope_" .. subname .. "_inner_cut"},
+			})
+		elseif alternate == "_outer_cut_half" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = recipeitem,
+				recipe =  {modname .. ":slope_" .. subname .. "_outer_cut_half", modname .. ":slope_" .. subname .. "_inner_cut_half_raised"},
+			})
+		elseif alternate == "_cut" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = recipeitem,
+				recipe =  {modname .. ":slope_" .. subname .. "_cut", modname .. ":slope_" .. subname .. "_cut"},
+			})
+		elseif alternate == "_half_raised" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slope_" .. subname .. "_half_raised",
+				recipe =  {modname .. ":slope_" .. subname .. "_half", modname .. ":slope_" .. subname .. "_half",
+					modname .. ":slope_" .. subname .. "_half"},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slope_" .. subname .. "_half_raised",
+				recipe =  {modname .. ":slab_" .. subname, modname .. ":slope_" .. subname .. "_half"},
+			})
+		elseif alternate == "_inner_half_raised" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slope_" .. subname .. "_inner_half_raised",
+				recipe =  {modname .. ":slab_" .. subname, modname .. ":slope_" .. subname .. "_inner_half"},
+			})
+		elseif alternate == "_outer_half_raised" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slope_" .. subname .. "_outer_half_raised",
+				recipe =  {modname .. ":slab_" .. subname, modname .. ":slope_" .. subname .. "_outer_half"},
+			})
+		elseif alternate == "_inner_cut_half_raised" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":slope_" .. subname .. "_inner_cut_half_raised",
+				recipe =  {modname .. ":slab_" .. subname, modname .. ":slope_" .. subname .. "_inner_cut_half"},
+			})
+		end
+	elseif category == "stair" then
+		if alternate == "" then
+			minetest.register_craft({
+				output = modname .. ":stair_" .. subname .. " 8",
+				recipe = {
+					{recipeitem, "", ""},
+					{recipeitem, recipeitem, ""},
+					{recipeitem, recipeitem, recipeitem},
+				},
+			})
+
+			minetest.register_craft({
+				output = modname .. ":stair_" .. subname .. " 8",
+				recipe = {
+					{"", "", recipeitem},
+					{"", recipeitem, recipeitem},
+					{recipeitem, recipeitem, recipeitem},
+				},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":stair_" .. subname,
+				recipe = {modname .. ":panel_" .. subname, modname .. ":slab_" .. subname},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":stair_" .. subname,
+				recipe = {modname .. ":panel_" .. subname, modname .. ":panel_" .. subname, modname .. ":panel_" .. subname},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":stair_" .. subname,
+				recipe = {modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":stair_" .. subname,
+				recipe = {modname .. ":panel_" .. subname, modname .. ":panel_" .. subname, modname .. ":panel_" .. subname},
+			})
+		elseif alternate == "_inner" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":stair_" .. subname .. "_inner",
+				recipe = {modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname},
+			})
+		elseif alternate == "_outer" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":stair_" .. subname .. "_outer",
+				recipe = {modname .. ":micro_" .. subname, modname .. ":slab_" .. subname},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":stair_" .. subname .. "_outer",
+				recipe = {modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname},
+			})
+		elseif alternate == "_half" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":stair_" .. subname .. "_half",
+				recipe = {modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname},
+			})
+
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":stair_" .. subname .. "_half",
+				recipe = {modname .. ":panel_" .. subname, modname .. ":micro_" .. subname},
+			})
+		elseif alternate == "_right_half" then
+			minetest.register_craft({
+				type = "shapeless",
+				output = modname .. ":stair_" .. subname .. "_right_half",
+				recipe = {modname .. ":stair_" .. subname .. "_half"},
+			})
+		elseif alternate == "_alt" then
+			minetest.register_craft({ -- See mirrored variation of the recipe below.
+				output = modname .. ":stair_" .. subname .. "_alt",
+				recipe = {
+					{modname .. ":panel_" .. subname, ""},
+					{""                            , modname .. ":panel_" .. subname},
+				},
+			})
+
+			minetest.register_craft({ -- Mirrored variation of the recipe above.
+				output = modname .. ":stair_" .. subname .. "_alt",
+				recipe = {
+					{""                            , modname .. ":panel_" .. subname},
+					{modname .. ":panel_" .. subname, ""},
+				},
+			})
+		end
+	end
+end
\ No newline at end of file
diff --git a/moreblocks/stairsplus/slabs.lua b/moreblocks/stairsplus/slabs.lua
index de7f031..3fa119e 100644
--- a/moreblocks/stairsplus/slabs.lua
+++ b/moreblocks/stairsplus/slabs.lua
@@ -20,235 +20,26 @@ function register_slab(modname, subname, recipeitem, groups, images, description
 	})
 end
 
-local slabs_defs = {
-	[""] = 8,
-	["_quarter"] = 4,
-	["_three_quarter"] = 12,
-	["_1"] = 1,
-	["_2"] = 2,
-	["_14"] = 14,
-	["_15"] = 15,
-	["_two_sides"] = {
-						{ -0.5, -0.5, -0.5, 0.5, -7/16, 7/16 },
-						{ -0.5, -0.5, 7/16, 0.5, 0.5, 0.5 }
-					},
-	["_three_sides"] = {
-						{ -7/16, -0.5, -0.5, 0.5, -7/16, 7/16 },
-						{ -7/16, -0.5, 7/16, 0.5, 0.5, 0.5 },
-						{ -0.5, -0.5, -0.5, -7/16, 0.5, 0.5 }
-					},
-	["_three_sides_u"] = {
-						{ -0.5, -0.5, -0.5, 0.5, 0.5, -7/16 },
-						{ -0.5, -0.5, -7/16, 0.5, -7/16, 7/16 },
-						{ -0.5, -0.5, 7/16, 0.5, 0.5, 0.5 }
-					}
-}
-
-for k,v in pairs(slabs_defs) do
-	table.insert(stairsplus.shapes_list, { "slab_", k })
-end
-
 function stairsplus:register_slab_alias(modname_old, subname_old, modname_new, subname_new)
-	local defs = stairsplus.copytable(slabs_defs)
+	local defs = table.copy(stairsplus.defs["slab"])
 	for alternate, def in pairs(defs) do
 		minetest.register_alias(modname_old .. ":slab_" .. subname_old .. alternate, modname_new .. ":slab_" .. subname_new .. alternate)
 	end
 end
 
 function stairsplus:register_slab_alias_force(modname_old, subname_old, modname_new, subname_new)
-	local defs = stairsplus.copytable(slabs_defs)
+	local defs = table.copy(stairsplus.defs["slab"])
 	for alternate, def in pairs(defs) do
 		minetest.register_alias_force(modname_old .. ":slab_" .. subname_old .. alternate, modname_new .. ":slab_" .. subname_new .. alternate)
 	end
 end
 
 function stairsplus:register_slab(modname, subname, recipeitem, fields)
-	local defs = stairsplus.copytable(slabs_defs)
+	local defs = table.copy(stairsplus.defs["slab"])
 	local desc_base = S("%s Slab"):format(fields.description)
 	for alternate, shape in pairs(defs) do
-		local def = {}
-		for k, v in pairs(fields) do
-			def[k] = v
-		end
-		if type(shape) ~= "table" then
-			def.node_box = {
-						type = "fixed",
-						fixed = {-0.5, -0.5, -0.5, 0.5, (shape/16)-0.5, 0.5},
-					}
-			def.description = ("%s (%d/16)"):format(desc_base, shape)
-		else
-			def.node_box = {
-					type = "fixed",
-					fixed = shape,
-				}
-			local desc_x = alternate:gsub("_", " ")
-			desc_x = desc_x:gsub("(%a)(%S*)", function(a, b) return a:upper() .. b end)
-			def.description = desc_base .. desc_x
-		end
-
-		def.drawtype = "nodebox"
-		def.paramtype = "light"
-		def.paramtype2 = def.paramtype2 or "facedir"
-		def.on_place = minetest.rotate_node
-		def.groups = stairsplus:prepare_groups(fields.groups)
-		if alternate == "" then
-			def.groups.slab = 1
-		end
-		if fields.drop and not (type(fields.drop) == "table") then
-			def.drop = modname.. ":slab_" .. fields.drop .. alternate
-		end
-		minetest.register_node(":" .. modname .. ":slab_" .. subname .. alternate, def)
+		stairsplus.register_single("slab", alternate, shape, modname, subname, recipeitem, fields)
 	end
 
 	circular_saw.known_nodes[recipeitem] = {modname, subname}
-
-	-- Some saw-less recipes:
-
-		minetest.register_craft({
-			output = modname .. ":slab_" .. subname .. " 6",
-			recipe = {{recipeitem, recipeitem, recipeitem}},
-		})
-
-		minetest.register_craft({
-			type = "shapeless",
-			output = modname .. ":slab_" .. subname,
-			recipe = {modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname},
-		})
-
-		-- uncomment this rule when conflict is no longer likely to happen
-		--	https://github.com/minetest/minetest/issues/2881
-		-- minetest.register_craft({
-		--	type = "shapeless",
-		--	output = modname .. ":slab_" .. subname,
-		--	recipe = {modname .. ":panel_" .. subname, modname .. ":panel_" .. subname},
-		-- })
-
-		-- then remove these two
-		minetest.register_craft({
-			output = modname .. ":slab_" .. subname,
-			recipe = {{modname .. ":panel_" .. subname, modname .. ":panel_" .. subname}},
-		})
-
-		minetest.register_craft({
-			output = modname .. ":slab_" .. subname,
-			recipe = {
-				{modname .. ":panel_" .. subname},
-				{modname .. ":panel_" .. subname},
-			},
-		})
-		------------------------------
-
-		minetest.register_craft({
-			type = "shapeless",
-			output = recipeitem,
-			recipe = {modname .. ":slab_" .. subname, modname .. ":slab_" .. subname},
-		})
-
-		minetest.register_craft({
-			type = "shapeless",
-			output = recipeitem,
-			recipe = {modname .. ":slab_" .. subname .. "_quarter", modname .. ":slab_" .. subname .. "_quarter", modname .. ":slab_" .. subname .. "_quarter", modname .. ":slab_" .. subname .. "_quarter"},
-		})
-
-		minetest.register_craft({
-			type = "shapeless",
-			output = recipeitem,
-			recipe = {modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2"},
-		})
-
-		minetest.register_craft({
-			type = "shapeless",
-			output = recipeitem,
-			recipe = {modname .. ":slab_" .. subname .. "_three_quarter", modname .. ":slab_" .. subname .. "_quarter"},
-		})
-
-		minetest.register_craft({
-			type = "shapeless",
-			output = recipeitem,
-			recipe = {modname .. ":slab_" .. subname .. "_14", modname .. ":slab_" .. subname .. "_2"},
-		})
-
-		minetest.register_craft({
-			type = "shapeless",
-			output = recipeitem,
-			recipe = {modname .. ":slab_" .. subname .. "_15", modname .. ":slab_" .. subname .. "_1"},
-		})
-
-		minetest.register_craft({
-			type = "shapeless",
-			output = modname .. ":slab_" .. subname,
-			recipe = {modname .. ":slab_" .. subname .. "_quarter", modname .. ":slab_" .. subname .. "_quarter"},
-		})
-
-		minetest.register_craft({
-			type = "shapeless",
-			output = modname .. ":slab_" .. subname,
-			recipe = {modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2"},
-		})
-
-		minetest.register_craft({
-			type = "shapeless",
-			output = modname .. ":slab_" .. subname,
-			recipe = {modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1"},
-		})
-
-		minetest.register_craft({
-			type = "shapeless",
-			output = modname .. ":slab_" .. subname .. "_quarter",
-			recipe = {modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2"},
-		})
-
-		minetest.register_craft({
-			type = "shapeless",
-			output = modname .. ":slab_" .. subname .. "_quarter",
-			recipe = {modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1"},
-		})
-
-		minetest.register_craft({
-			type = "shapeless",
-			output = modname .. ":slab_" .. subname .. "_2",
-			recipe = {modname .. ":slab_" .. subname .. "_1", modname .. ":slab_" .. subname .. "_1"},
-		})
-
-		minetest.register_craft({
-			type = "shapeless",
-			output = modname .. ":slab_" .. subname .. "_three_quarter",
-			recipe = {modname .. ":slab_" .. subname, modname .. ":slab_" .. subname .. "_quarter"},
-		})
-
-		minetest.register_craft({
-			type = "shapeless",
-			output = modname .. ":slab_" .. subname .. "_three_quarter",
-			recipe = {modname .. ":slab_" .. subname .. "_quarter", modname .. ":slab_" .. subname .. "_quarter", modname .. ":slab_" .. subname .. "_quarter"},
-		})
-
-		minetest.register_craft({
-			type = "shapeless",
-			output = modname .. ":slab_" .. subname .. "_three_quarter",
-			recipe = {modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2"},
-		})
-
-		minetest.register_craft({
-			type = "shapeless",
-			output = modname .. ":slab_" .. subname .. "_14",
-			recipe = {modname .. ":slab_" .. subname .. "_three_quarter", modname .. ":slab_" .. subname .. "_2"},
-		})
-
-		minetest.register_craft({
-			type = "shapeless",
-			output = modname .. ":slab_" .. subname .. "_14",
-			recipe = {modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2", modname .. ":slab_" .. subname .. "_2"},
-		})
-
-		minetest.register_craft({
-			type = "shapeless",
-			output = modname .. ":slab_" .. subname .. "_15",
-			recipe = {modname .. ":slab_" .. subname .. "_14", modname .. ":slab_" .. subname .. "_1"},
-		})
-
-		minetest.register_craft({
-			type = "shapeless",
-			output = modname .. ":slab_" .. subname .. " 3",
-			recipe = {modname .. ":stair_" .. subname, modname .. ":stair_" .. subname},
-		})
 end
diff --git a/moreblocks/stairsplus/slopes.lua b/moreblocks/stairsplus/slopes.lua
index 7d18b3d..7b82733 100644
--- a/moreblocks/stairsplus/slopes.lua
+++ b/moreblocks/stairsplus/slopes.lua
@@ -7,109 +7,6 @@ Licensed under the zlib license. See LICENSE.md for more information.
 
 local S = moreblocks.intllib
 
-local box_slope = {
-	type = "fixed",
-	fixed = {
-		{-0.5,  -0.5,  -0.5, 0.5, -0.25, 0.5},
-		{-0.5, -0.25, -0.25, 0.5,     0, 0.5},
-		{-0.5,     0,     0, 0.5,  0.25, 0.5},
-		{-0.5,  0.25,  0.25, 0.5,   0.5, 0.5}
-	}
-}
-
-local box_slope_half = {
-	type = "fixed",
-	fixed = {
-		{-0.5, -0.5,   -0.5,  0.5, -0.375, 0.5},
-		{-0.5, -0.375, -0.25, 0.5, -0.25,  0.5},
-		{-0.5, -0.25,  0,    0.5, -0.125, 0.5},
-		{-0.5, -0.125, 0.25, 0.5,  0,     0.5},
-	}
-}
-
-local box_slope_half_raised = {
-	type = "fixed",
-	fixed = {
-		{-0.5, -0.5,   -0.5,  0.5, 0.125, 0.5},
-		{-0.5, 0.125, -0.25, 0.5, 0.25,  0.5},
-		{-0.5, 0.25,  0,    0.5, 0.375, 0.5},
-		{-0.5, 0.375, 0.25, 0.5,  0.5,     0.5},
-	}
-}
-
---==============================================================
-
-local box_slope_inner = {
-	type = "fixed",
-	fixed = {
-		{-0.5, -0.5, -0.5, 0.5, -0.25, 0.5},
-		{-0.5, -0.5, -0.25, 0.5, 0, 0.5},
-		{-0.5, -0.5, -0.5, 0.25, 0, 0.5},
-		{-0.5, 0, -0.5, 0, 0.25, 0.5},
-		{-0.5, 0, 0, 0.5, 0.25, 0.5},
-		{-0.5, 0.25, 0.25, 0.5, 0.5, 0.5},
-		{-0.5, 0.25, -0.5, -0.25, 0.5, 0.5},
-	}
-}
-
-local box_slope_inner_half = {
-	type = "fixed",
-	fixed = {
-		{-0.5, -0.5, -0.5, 0.5, -0.375, 0.5},
-		{-0.5, -0.375, -0.25, 0.5, -0.25, 0.5},
-		{-0.5, -0.375, -0.5, 0.25, -0.25, 0.5},
-		{-0.5, -0.25, -0.5, 0, -0.125, 0.5},
-		{-0.5, -0.25, 0, 0.5, -0.125, 0.5},
-		{-0.5, -0.125, 0.25, 0.5, 0, 0.5},
-		{-0.5, -0.125, -0.5, -0.25, 0, 0.5},
-	}
-}
-
-local box_slope_inner_half_raised = {
-	type = "fixed",
-	fixed = {
-		{-0.5, -0.5, -0.5, 0.5, 0.125, 0.5},
-		{-0.5, 0.125, -0.25, 0.5, 0.25, 0.5},
-		{-0.5, 0.125, -0.5, 0.25, 0.25, 0.5},
-		{-0.5, 0.25, -0.5, 0, 0.375, 0.5},
-		{-0.5, 0.25, 0, 0.5, 0.375, 0.5},
-		{-0.5, 0.375, 0.25, 0.5, 0.5, 0.5},
-		{-0.5, 0.375, -0.5, -0.25, 0.5, 0.5},
-	}
-}
-
---==============================================================
-
-local box_slope_outer = {
-	type = "fixed",
-	fixed = {
-		{-0.5,  -0.5,  -0.5,   0.5, -0.25, 0.5},
-		{-0.5, -0.25, -0.25,  0.25,     0, 0.5},
-		{-0.5,     0,     0,     0,  0.25, 0.5},
-		{-0.5,  0.25,  0.25, -0.25,   0.5, 0.5}
-	}
-}
-
-local box_slope_outer_half = {
-	type = "fixed",
-	fixed = {
-		{-0.5,  -0.5,  -0.5,   0.5, -0.375, 0.5},
-		{-0.5, -0.375, -0.25,  0.25, -0.25, 0.5},
-		{-0.5,  -0.25,     0,     0, -0.125, 0.5},
-		{-0.5,  -0.125,  0.25, -0.25, 0, 0.5}
-	}
-}
-
-local box_slope_outer_half_raised = {
-	type = "fixed",
-	fixed = {
-		{-0.5,  -0.5,  -0.5,   0.5, 0.125, 0.5},
-		{-0.5, 0.125, -0.25,  0.25, 0.25, 0.5},
-		{-0.5,  0.25,     0,     0, 0.375, 0.5},
-		{-0.5,  0.375,  0.25, -0.25, 0.5, 0.5}
-	}
-}
-
 -- Node will be called <modname>:slope_<subname>
 
 function register_slope(modname, subname, recipeitem, groups, images, description, drop, light)
@@ -123,244 +20,25 @@ function register_slope(modname, subname, recipeitem, groups, images, descriptio
 	})
 end
 
-local slopes_defs = {
-	[""] = {
-		mesh = "moreblocks_slope.obj",
-		collision_box = box_slope,
-		selection_box = box_slope,
-
-	},
-	["_half"] = {
-		mesh = "moreblocks_slope_half.obj",
-		collision_box = box_slope_half,
-		selection_box = box_slope_half,
-	},
-	["_half_raised"] = {
-		mesh = "moreblocks_slope_half_raised.obj",
-		collision_box = box_slope_half_raised,
-		selection_box = box_slope_half_raised,
-	},
-
-	--==============================================================
-
-	["_inner"] = {
-		mesh = "moreblocks_slope_inner.obj",
-		collision_box = box_slope_inner,
-		selection_box = box_slope_inner,
-	},
-	["_inner_half"] = {
-		mesh = "moreblocks_slope_inner_half.obj",
-		collision_box = box_slope_inner_half,
-		selection_box = box_slope_inner_half,
-	},
-	["_inner_half_raised"] = {
-		mesh = "moreblocks_slope_inner_half_raised.obj",
-		collision_box = box_slope_inner_half_raised,
-		selection_box = box_slope_inner_half_raised,
-	},
-
-	--==============================================================
-
-	["_inner_cut"] = {
-		mesh = "moreblocks_slope_inner_cut.obj",
-		collision_box = box_slope_inner,
-		selection_box = box_slope_inner,
-	},
-	["_inner_cut_half"] = {
-		mesh = "moreblocks_slope_inner_cut_half.obj",
-		collision_box = box_slope_inner_half,
-		selection_box = box_slope_inner_half,
-	},
-	["_inner_cut_half_raised"] = {
-		mesh = "moreblocks_slope_inner_cut_half_raised.obj",
-		collision_box = box_slope_inner_half_raised,
-		selection_box = box_slope_inner_half_raised,
-	},
-
-	--==============================================================
-
-	["_outer"] = {
-		mesh = "moreblocks_slope_outer.obj",
-		collision_box = box_slope_outer,
-		selection_box = box_slope_outer,
-	},
-	["_outer_half"] = {
-		mesh = "moreblocks_slope_outer_half.obj",
-		collision_box = box_slope_outer_half,
-		selection_box = box_slope_outer_half,
-	},
-	["_outer_half_raised"] = {
-		mesh = "moreblocks_slope_outer_half_raised.obj",
-		collision_box = box_slope_outer_half_raised,
-		selection_box = box_slope_outer_half_raised,
-	},
-
-	--==============================================================
-
-	["_outer_cut"] = {
-		mesh = "moreblocks_slope_outer_cut.obj",
-		collision_box = box_slope_outer,
-		selection_box = box_slope_outer,
-	},
-	["_outer_cut_half"] = {
-		mesh = "moreblocks_slope_outer_cut_half.obj",
-		collision_box = box_slope_outer_half,
-		selection_box = box_slope_outer_half,
-	},
-	["_outer_cut_half_raised"] = {
-		mesh = "moreblocks_slope_outer_cut_half_raised.obj",
-		collision_box = box_slope_outer_half_raised,
-		selection_box = box_slope_outer_half_raised,
-	},
-	["_cut"] = {
-		mesh = "moreblocks_slope_cut.obj",
-		collision_box = box_slope_outer,
-		selection_box = box_slope_outer,
-	},
-}
-
-for k,v in pairs(slopes_defs) do
-	table.insert(stairsplus.shapes_list, { "slope_", k })
-end
-
 function stairsplus:register_slope_alias(modname_old, subname_old, modname_new, subname_new)
-	local defs = stairsplus.copytable(slopes_defs)
+	local defs = table.copy(stairsplus.defs["slope"])
 	for alternate, def in pairs(defs) do
 		minetest.register_alias(modname_old .. ":slope_" .. subname_old .. alternate, modname_new .. ":slope_" .. subname_new .. alternate)
 	end
 end
 
 function stairsplus:register_slope_alias_force(modname_old, subname_old, modname_new, subname_new)
-	local defs = stairsplus.copytable(slopes_defs)
+	local defs = table.copy(stairsplus.defs["slope"])
 	for alternate, def in pairs(defs) do
 		minetest.register_alias_force(modname_old .. ":slope_" .. subname_old .. alternate, modname_new .. ":slope_" .. subname_new .. alternate)
 	end
 end
 
 function stairsplus:register_slope(modname, subname, recipeitem, fields)
-	local defs = stairsplus.copytable(slopes_defs)
-	local desc = S("%s Slope"):format(fields.description)
+	local defs = table.copy(stairsplus.defs["slope"])
 	for alternate, def in pairs(defs) do
-		for k, v in pairs(fields) do
-			def[k] = v
-		end
-		def.drawtype = "mesh"
-		def.paramtype = "light"
-		def.paramtype2 = def.paramtype2 or "facedir"
-		def.on_place = minetest.rotate_node
-		def.description = desc
-		def.groups = stairsplus:prepare_groups(fields.groups)
-		if fields.drop and not (type(fields.drop) == "table") then
-			def.drop = modname.. ":slope_" ..fields.drop..alternate
-		end
-		minetest.register_node(":" ..modname.. ":slope_" ..subname..alternate, def)
+		stairsplus.register_single("slope", alternate, def, modname, subname, recipeitem, fields)
 	end
 
 	circular_saw.known_nodes[recipeitem] = {modname, subname}
-
-	-- Some saw-less recipes:
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = recipeitem,
-		recipe =  {modname .. ":slope_" .. subname, modname .. ":slope_" .. subname},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = recipeitem,
-		recipe =  {modname .. ":slope_" .. subname .. "_half", modname .. ":slope_" .. subname .. "_half_raised"},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = recipeitem,
-		recipe =  {modname .. ":slope_" .. subname .. "_half", modname .. ":slope_" .. subname .. "_half",
-				   modname .. ":slope_" .. subname .. "_half", modname .. ":slope_" .. subname .. "_half"},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = recipeitem,
-		recipe =  {modname .. ":slope_" .. subname .. "_outer", modname .. ":slope_" .. subname .. "_inner"},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = recipeitem,
-		recipe =  {modname .. ":slope_" .. subname .. "_outer_half", modname .. ":slope_" .. subname .. "_inner_half_raised"},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = recipeitem,
-		recipe =  {modname .. ":slope_" .. subname .. "_outer_half_raised", modname .. ":slope_" .. subname .. "_inner_half"},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = recipeitem,
-		recipe =  {modname .. ":slope_" .. subname .. "_outer_cut", modname .. ":slope_" .. subname .. "_inner_cut"},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = recipeitem,
-		recipe =  {modname .. ":slope_" .. subname .. "_outer_cut_half", modname .. ":slope_" .. subname .. "_inner_cut_half_raised"},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = recipeitem,
-		recipe =  {modname .. ":slope_" .. subname .. "_cut", modname .. ":slope_" .. subname .. "_cut"},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":slab_" .. subname,
-		recipe =  {modname .. ":slope_" .. subname .. "_half", modname .. ":slope_" .. subname .. "_half"},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":slab_" .. subname,
-		recipe =  {modname .. ":slope_" .. subname .. "_outer_half", modname .. ":slope_" .. subname .. "_inner_half"},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":slab_" .. subname,
-		recipe =  {modname .. ":slope_" .. subname .. "_outer_cut_half", modname .. ":slope_" .. subname .. "_inner_cut_half"},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":slope_" .. subname .. "_half_raised",
-		recipe =  {modname .. ":slope_" .. subname .. "_half", modname .. ":slope_" .. subname .. "_half",
-				   modname .. ":slope_" .. subname .. "_half"},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":slope_" .. subname .. "_half_raised",
-		recipe =  {modname .. ":slab_" .. subname, modname .. ":slope_" .. subname .. "_half"},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":slope_" .. subname .. "_inner_half_raised",
-		recipe =  {modname .. ":slab_" .. subname, modname .. ":slope_" .. subname .. "_inner_half"},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":slope_" .. subname .. "_outer_half_raised",
-		recipe =  {modname .. ":slab_" .. subname, modname .. ":slope_" .. subname .. "_outer_half"},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":slope_" .. subname .. "_inner_cut_half_raised",
-		recipe =  {modname .. ":slab_" .. subname, modname .. ":slope_" .. subname .. "_inner_cut_half"},
-	})
 end
diff --git a/moreblocks/stairsplus/stairs.lua b/moreblocks/stairsplus/stairs.lua
index 815f7ac..5c38864 100644
--- a/moreblocks/stairsplus/stairs.lua
+++ b/moreblocks/stairsplus/stairs.lua
@@ -20,226 +20,25 @@ function register_stair(modname, subname, recipeitem, groups, images, descriptio
 	})
 end
 
-local stairs_defs = {
-	[""] = {
-		node_box = {
-			type = "fixed",
-			fixed = {
-				{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
-				{-0.5, 0, 0, 0.5, 0.5, 0.5},
-			},
-		},
-	},
-	["_half"] = {
-		node_box = {
-			type = "fixed",
-			fixed = {
-				{-0.5, -0.5, -0.5, 0, 0, 0.5},
-				{-0.5, 0, 0, 0, 0.5, 0.5},
-			},
-		},
-	},
-	["_right_half" ]= {
-		node_box = {
-			type = "fixed",
-			fixed = {
-				{0, -0.5, -0.5, 0.5, 0, 0.5},
-				{0, 0, 0, 0.5, 0.5, 0.5},
-			},
-		},
-	},
-	["_inner"] = {
-		node_box = {
-			type = "fixed",
-			fixed = {
-				{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
-				{-0.5, 0, 0, 0.5, 0.5, 0.5},
-				{-0.5, 0, -0.5, 0, 0.5, 0},
-			},
-		},
-	},
-	["_outer"] = {
-		node_box = {
-			type = "fixed",
-			fixed = {
-				{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
-				{-0.5, 0, 0, 0, 0.5, 0.5},
-			},
-		},
-	},
-	["_alt"] = {
-		node_box = {
-			type = "fixed",
-			fixed = {
-				{-0.5, -0.5, -0.5, 0.5, 0, 0},
-				{-0.5, 0, 0, 0.5, 0.5, 0.5},
-			},
-		},
-	},
-	["_alt_1"] = {
-		node_box = {
-			type = "fixed",
-			fixed = {
-				{-0.5, -0.0625, -0.5, 0.5, 0, 0},
-				{-0.5, 0.4375, 0, 0.5, 0.5, 0.5},
-			},
-		},
-	},
-	["_alt_2"] = {
-		node_box = {
-			type = "fixed",
-			fixed = {
-				{-0.5, -0.125, -0.5, 0.5, 0, 0},
-				{-0.5, 0.375, 0, 0.5, 0.5, 0.5},
-			},
-		},
-	},
-	["_alt_4"] = {
-		node_box = {
-			type = "fixed",
-			fixed = {
-				{-0.5, -0.25, -0.5, 0.5, 0, 0},
-				{-0.5, 0.25, 0, 0.5, 0.5, 0.5},
-			},
-		},
-	},
-}
-
-for k,v in pairs(stairs_defs) do
-	table.insert(stairsplus.shapes_list, { "stair_", k })
-end
-
 function stairsplus:register_stair_alias(modname_old, subname_old, modname_new, subname_new)
-	local defs = stairsplus.copytable(stairs_defs)
+	local defs = table.copy(stairsplus.defs["stair"])
 	for alternate, def in pairs(defs) do
 		minetest.register_alias(modname_old .. ":stair_" .. subname_old .. alternate, modname_new .. ":stair_" .. subname_new .. alternate)
 	end
 end
 
 function stairsplus:register_stair_alias_force(modname_old, subname_old, modname_new, subname_new)
-	local defs = stairsplus.copytable(stairs_defs)
+	local defs = table.copy(stairsplus.defs["stair"])
 	for alternate, def in pairs(defs) do
 		minetest.register_alias_force(modname_old .. ":stair_" .. subname_old .. alternate, modname_new .. ":stair_" .. subname_new .. alternate)
 	end
 end
 
 function stairsplus:register_stair(modname, subname, recipeitem, fields)
-	local defs = stairsplus.copytable(stairs_defs)
-	local desc = S("%s Stairs"):format(fields.description)
+	local defs = table.copy(stairsplus.defs["stair"])
 	for alternate, def in pairs(defs) do
-		for k, v in pairs(fields) do
-			def[k] = v
-		end
-		def.drawtype = "nodebox"
-		def.paramtype = "light"
-		def.paramtype2 = def.paramtype2 or "facedir"
-		def.on_place = minetest.rotate_node
-		def.description = desc
-		def.groups = stairsplus:prepare_groups(fields.groups)
-		if alternate == "" then
-			def.groups.stair = 1
-		end
-		if fields.drop and not (type(fields.drop) == "table") then
-			def.drop = modname .. ":stair_" .. fields.drop .. alternate
-		end
-		minetest.register_node(":" .. modname .. ":stair_" .. subname .. alternate, def)
+		stairsplus.register_single("stair", alternate, def, modname, subname, recipeitem, fields)
 	end
 
 	circular_saw.known_nodes[recipeitem] = {modname, subname}
-
-	-- Some saw-less recipes:
-
-	minetest.register_craft({
-		output = modname .. ":stair_" .. subname .. " 8",
-		recipe = {
-			{recipeitem, "", ""},
-			{recipeitem, recipeitem, ""},
-			{recipeitem, recipeitem, recipeitem},
-		},
-	})
-
-	minetest.register_craft({
-		output = modname .. ":stair_" .. subname .. " 8",
-		recipe = {
-			{"", "", recipeitem},
-			{"", recipeitem, recipeitem},
-			{recipeitem, recipeitem, recipeitem},
-		},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":stair_" .. subname,
-		recipe = {modname .. ":panel_" .. subname, modname .. ":slab_" .. subname},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":stair_" .. subname,
-		recipe = {modname .. ":panel_" .. subname, modname .. ":panel_" .. subname, modname .. ":panel_" .. subname},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":stair_" .. subname .. "_outer",
-		recipe = {modname .. ":micro_" .. subname, modname .. ":slab_" .. subname},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":stair_" .. subname .. "_half",
-		recipe = {modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":stair_" .. subname .. "_half",
-		recipe = {modname .. ":panel_" .. subname, modname .. ":micro_" .. subname},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":stair_" .. subname .. "_right_half",
-		recipe = {modname .. ":stair_" .. subname .. "_half"},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":stair_" .. subname,
-		recipe = {modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":stair_" .. subname .. "_inner",
-		recipe = {modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":stair_" .. subname .. "_outer",
-		recipe = {modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname, modname .. ":micro_" .. subname},
-	})
-
-	minetest.register_craft({
-		type = "shapeless",
-		output = modname .. ":stair_" .. subname,
-		recipe = {modname .. ":panel_" .. subname, modname .. ":panel_" .. subname, modname .. ":panel_" .. subname},
-	})
-
-	minetest.register_craft({ -- See mirrored variation of the recipe below.
-		output = modname .. ":stair_" .. subname .. "_alt",
-		recipe = {
-			{modname .. ":panel_" .. subname, ""},
-			{""                            , modname .. ":panel_" .. subname},
-		},
-	})
-
-	minetest.register_craft({ -- Mirrored variation of the recipe above.
-		output = modname .. ":stair_" .. subname .. "_alt",
-		recipe = {
-			{""                            , modname .. ":panel_" .. subname},
-			{modname .. ":panel_" .. subname, ""},
-		},
-	})
 end