diff --git a/mods/default/nodes.lua b/mods/default/nodes.lua
index 3a41422..75367be 100644
--- a/mods/default/nodes.lua
+++ b/mods/default/nodes.lua
@@ -554,6 +554,12 @@ minetest.register_node("default:desert_stone", {
 	drop = "default:stone_item 5",
 })
 
+minetest.register_node("default:cobble", {
+	description = "Cobble",
+	tiles = {"default_cobble.png"},
+	groups = {cracky = 3},
+})
+
 minetest.register_node("default:stone_tile", {
 	description = "Stone Tile",
 	tiles = {"default_stone_tile.png"},
diff --git a/mods/default/nodes.lua~ b/mods/default/nodes.lua~
index 3a41422..75367be 100644
--- a/mods/default/nodes.lua~
+++ b/mods/default/nodes.lua~
@@ -554,6 +554,12 @@ minetest.register_node("default:desert_stone", {
 	drop = "default:stone_item 5",
 })
 
+minetest.register_node("default:cobble", {
+	description = "Cobble",
+	tiles = {"default_cobble.png"},
+	groups = {cracky = 3},
+})
+
 minetest.register_node("default:stone_tile", {
 	description = "Stone Tile",
 	tiles = {"default_stone_tile.png"},
diff --git a/mods/default/textures/default_cobble.png b/mods/default/textures/default_cobble.png
new file mode 100644
index 0000000..ecfce8a
Binary files /dev/null and b/mods/default/textures/default_cobble.png differ
diff --git a/mods/stairs/init.lua b/mods/stairs/init.lua
index 0e123b9..50d4e16 100644
--- a/mods/stairs/init.lua
+++ b/mods/stairs/init.lua
@@ -32,6 +32,85 @@ function stairs.register_stair_and_slab(name, base)
 				},
 		},
 	})
+
+	minetest.register_node(name.."_stair_corner_1", {
+		description = minetest.registered_nodes[base].description .. " Corner",
+		tiles = minetest.registered_nodes[base].tiles,
+		groups = minetest.registered_nodes[base].groups,
+		paramtype = "light",
+		paramtype2 = "facedir",
+		drawtype = "nodebox",
+		node_box = {
+			type = "fixed",
+			fixed = {
+					{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
+					{-0.5, -0.5, 0, 0.5, 0.5, 0.5},
+					{0, -0.5, -0.5, 0.5, 0.5, 0.5},
+				},
+		},
+	})
+
+	minetest.register_node(name.."_stair_corner_2", {
+		description = minetest.registered_nodes[base].description .. " Corner",
+		tiles = minetest.registered_nodes[base].tiles,
+		groups = minetest.registered_nodes[base].groups,
+		paramtype = "light",
+		paramtype2 = "facedir",
+		drawtype = "nodebox",
+		node_box = {
+			type = "fixed",
+			fixed = {
+					{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
+					{0, -0.5, 0, 0.5, 0.5, 0.5},
+				},
+		},
+	})
+
+	minetest.register_node(name.."_wall", {
+		description = minetest.registered_nodes[base].description .. " Wall",
+		tiles = minetest.registered_nodes[base].tiles,
+		groups = minetest.registered_nodes[base].groups,
+		paramtype = "light",
+		paramtype2 = "facedir",
+		drawtype = "nodebox",
+		node_box = {
+			type = "fixed",
+			fixed = {
+					{-0.5, -0.5, 0, 0.5, 0.5, 0.5},
+				},
+		},
+	})
+
+	minetest.register_node(name.."_wall_corner_1", {
+		description = minetest.registered_nodes[base].description .. " Corner",
+		tiles = minetest.registered_nodes[base].tiles,
+		groups = minetest.registered_nodes[base].groups,
+		paramtype = "light",
+		paramtype2 = "facedir",
+		drawtype = "nodebox",
+		node_box = {
+			type = "fixed",
+			fixed = {
+					{-0.5, -0.5, 0, 0.5, 0.5, 0.5},
+					{0, -0.5, -0.5, 0.5, 0.5, 0.5},
+				},
+		},
+	})
+
+	minetest.register_node(name.."_wall_corner_2", {
+		description = minetest.registered_nodes[base].description .. " Corner",
+		tiles = minetest.registered_nodes[base].tiles,
+		groups = minetest.registered_nodes[base].groups,
+		paramtype = "light",
+		paramtype2 = "facedir",
+		drawtype = "nodebox",
+		node_box = {
+			type = "fixed",
+			fixed = {
+					{0, -0.5, 0, 0.5, 0.5, 0.5},
+				},
+		},
+	})
 	minetest.register_craft({
 		output = name.."_stair 3",
 		recipe = {
@@ -50,6 +129,8 @@ end
 stairs.register_stair_and_slab("stairs:stonebrick", "default:stonebrick")
 stairs.register_stair_and_slab("stairs:stone_tile", "default:stone_tile")
 stairs.register_stair_and_slab("stairs:stone", "default:stone")
+stairs.register_stair_and_slab("stairs:cobble", "default:cobble")
+stairs.register_stair_and_slab("stairs:brick", "default:brick")
 stairs.register_stair_and_slab("stairs:basalt", "lava:basalt")
 stairs.register_stair_and_slab("stairs:wood", "default:wood")
 stairs.register_stair_and_slab("stairs:wooden_planks", "default:wooden_planks")
diff --git a/mods/stairs/init.lua~ b/mods/stairs/init.lua~
index 0e123b9..50d4e16 100644
--- a/mods/stairs/init.lua~
+++ b/mods/stairs/init.lua~
@@ -32,6 +32,85 @@ function stairs.register_stair_and_slab(name, base)
 				},
 		},
 	})
+
+	minetest.register_node(name.."_stair_corner_1", {
+		description = minetest.registered_nodes[base].description .. " Corner",
+		tiles = minetest.registered_nodes[base].tiles,
+		groups = minetest.registered_nodes[base].groups,
+		paramtype = "light",
+		paramtype2 = "facedir",
+		drawtype = "nodebox",
+		node_box = {
+			type = "fixed",
+			fixed = {
+					{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
+					{-0.5, -0.5, 0, 0.5, 0.5, 0.5},
+					{0, -0.5, -0.5, 0.5, 0.5, 0.5},
+				},
+		},
+	})
+
+	minetest.register_node(name.."_stair_corner_2", {
+		description = minetest.registered_nodes[base].description .. " Corner",
+		tiles = minetest.registered_nodes[base].tiles,
+		groups = minetest.registered_nodes[base].groups,
+		paramtype = "light",
+		paramtype2 = "facedir",
+		drawtype = "nodebox",
+		node_box = {
+			type = "fixed",
+			fixed = {
+					{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
+					{0, -0.5, 0, 0.5, 0.5, 0.5},
+				},
+		},
+	})
+
+	minetest.register_node(name.."_wall", {
+		description = minetest.registered_nodes[base].description .. " Wall",
+		tiles = minetest.registered_nodes[base].tiles,
+		groups = minetest.registered_nodes[base].groups,
+		paramtype = "light",
+		paramtype2 = "facedir",
+		drawtype = "nodebox",
+		node_box = {
+			type = "fixed",
+			fixed = {
+					{-0.5, -0.5, 0, 0.5, 0.5, 0.5},
+				},
+		},
+	})
+
+	minetest.register_node(name.."_wall_corner_1", {
+		description = minetest.registered_nodes[base].description .. " Corner",
+		tiles = minetest.registered_nodes[base].tiles,
+		groups = minetest.registered_nodes[base].groups,
+		paramtype = "light",
+		paramtype2 = "facedir",
+		drawtype = "nodebox",
+		node_box = {
+			type = "fixed",
+			fixed = {
+					{-0.5, -0.5, 0, 0.5, 0.5, 0.5},
+					{0, -0.5, -0.5, 0.5, 0.5, 0.5},
+				},
+		},
+	})
+
+	minetest.register_node(name.."_wall_corner_2", {
+		description = minetest.registered_nodes[base].description .. " Corner",
+		tiles = minetest.registered_nodes[base].tiles,
+		groups = minetest.registered_nodes[base].groups,
+		paramtype = "light",
+		paramtype2 = "facedir",
+		drawtype = "nodebox",
+		node_box = {
+			type = "fixed",
+			fixed = {
+					{0, -0.5, 0, 0.5, 0.5, 0.5},
+				},
+		},
+	})
 	minetest.register_craft({
 		output = name.."_stair 3",
 		recipe = {
@@ -50,6 +129,8 @@ end
 stairs.register_stair_and_slab("stairs:stonebrick", "default:stonebrick")
 stairs.register_stair_and_slab("stairs:stone_tile", "default:stone_tile")
 stairs.register_stair_and_slab("stairs:stone", "default:stone")
+stairs.register_stair_and_slab("stairs:cobble", "default:cobble")
+stairs.register_stair_and_slab("stairs:brick", "default:brick")
 stairs.register_stair_and_slab("stairs:basalt", "lava:basalt")
 stairs.register_stair_and_slab("stairs:wood", "default:wood")
 stairs.register_stair_and_slab("stairs:wooden_planks", "default:wooden_planks")