diff --git a/mods/mapgen/mapgen.lua b/mods/mapgen/mapgen.lua
index c5b435c..258b9b7 100644
--- a/mods/mapgen/mapgen.lua
+++ b/mods/mapgen/mapgen.lua
@@ -197,7 +197,7 @@
 
 	--dirt with leaves
 	
-	minetest.register_ore({
+	--[[minetest.register_ore({
 		ore_type        = "blob",
 		ore             = "mapgen:dirt_with_leafygrass",
 		wherein         = {"default:dirt_with_grass"},
@@ -215,7 +215,7 @@
 			persist = 0.0
 		},
 		biomes = {"bamboo_forest",}
-	})
+	})]]
 
 	--coarse dirt
 	
diff --git a/mods/stm_nodes/init.lua b/mods/stm_nodes/init.lua
index 06eaebe..bd65fb5 100644
--- a/mods/stm_nodes/init.lua
+++ b/mods/stm_nodes/init.lua
@@ -1,6 +1,6 @@
 
 minetest.register_node("stm_nodes:chimney", {
-	description = "Chimney",
+	description = "Tin Chimney",
 	tiles = {
 		"stm_nodes_chimney_top.png",
 		"stm_nodes_chimney_front.png",
@@ -23,8 +23,33 @@ minetest.register_node("stm_nodes:chimney", {
 	sounds = default.node_sound_metal_defaults()
 })
 
+minetest.register_node("stm_nodes:chimney2", {
+	description = "Copper Chimney",
+	tiles = {
+		"stm_nodes_chimney_top2.png",
+		"stm_nodes_chimney_front2.png",
+		"stm_nodes_chimney_side2.png",
+		"stm_nodes_chimney_side2.png^[transformFX",
+		"stm_nodes_chimney_front2.png",
+		"stm_nodes_chimney_front2.png"
+	},
+	drawtype = "nodebox",
+	paramtype = "light",
+	paramtype2 = "facedir",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-0.1875, -0.1875, -0.125, 0.1875, 0.1875, 0.5}, -- NodeBox1
+			{-0.1875, -0.1875, -0.125, 0.1875, 1, 0.1875}, -- NodeBox2
+		}
+	},
+	groups = {cracky = 1, ventilation = 2},
+	sounds = default.node_sound_metal_defaults()
+})
+
+
 minetest.register_abm({
-	nodenames = {"stm_nodes:chimney"},
+	nodenames = {"stm_nodes:chimney", "stm_nodes:chimney2"},
 	interval = 1.0,
 	chance = 2,
 	action = function(pos, node)
@@ -51,7 +76,7 @@ minetest.register_abm({
 })
 
 minetest.register_node("stm_nodes:tank", {
-	description = "Small Boiler",
+	description = "Small Tin Boiler",
 	tiles = {
 		"stm_nodes_boiler_top.png",
 		"stm_nodes_boiler.png",
@@ -76,4 +101,32 @@ minetest.register_node("stm_nodes:tank", {
 	},
 	groups = {cracky = 1, boiler = 1},
 	sounds = default:node_sound_metal_defaults()
+})
+
+minetest.register_node("stm_nodes:tank2", {
+	description = "Small Copper Boiler",
+	tiles = {
+		"stm_nodes_boiler_top2.png",
+		"stm_nodes_boiler2.png",
+		"stm_nodes_boiler2.png",
+		"stm_nodes_boiler2.png",
+		"stm_nodes_boiler2.png",
+		"stm_nodes_boiler_pipe2.png"
+	},
+	drawtype = "nodebox",
+	paramtype = "light",
+	paramtype2 = "facedir",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-0.1875, -0.5, -0.1875, 0.1875, -0.1875, 0.1875}, -- NodeBox1
+			{-0.3125, -0.375, -0.25, 0.3125, 0.4375, 0.25}, -- NodeBox2
+			{-0.25, -0.375, -0.3125, 0.25, 0.4375, 0.3125}, -- NodeBox3
+			{-0.25, -0.4375, -0.25, 0.25, 0.5, 0.25}, -- NodeBox4
+			{-0.0625, -0.5, -0.4375, 0.0625, 0.125, -0.3125}, -- NodeBox5
+			{-0.0625, 0, -0.4375, 0.0625, 0.125, 0.0625}, -- NodeBox6
+		}
+	},
+	groups = {cracky = 1, boiler = 2},
+	sounds = default:node_sound_metal_defaults()
 })
\ No newline at end of file
diff --git a/mods/stm_nodes/textures/stm_nodes_boiler2.png b/mods/stm_nodes/textures/stm_nodes_boiler2.png
new file mode 100644
index 0000000..bc5190b
Binary files /dev/null and b/mods/stm_nodes/textures/stm_nodes_boiler2.png differ
diff --git a/mods/stm_nodes/textures/stm_nodes_boiler_pipe2.png b/mods/stm_nodes/textures/stm_nodes_boiler_pipe2.png
new file mode 100644
index 0000000..2b11872
Binary files /dev/null and b/mods/stm_nodes/textures/stm_nodes_boiler_pipe2.png differ
diff --git a/mods/stm_nodes/textures/stm_nodes_boiler_top2.png b/mods/stm_nodes/textures/stm_nodes_boiler_top2.png
new file mode 100644
index 0000000..302addd
Binary files /dev/null and b/mods/stm_nodes/textures/stm_nodes_boiler_top2.png differ
diff --git a/mods/stm_nodes/textures/stm_nodes_chimney_front2.png b/mods/stm_nodes/textures/stm_nodes_chimney_front2.png
new file mode 100644
index 0000000..ccabbf3
Binary files /dev/null and b/mods/stm_nodes/textures/stm_nodes_chimney_front2.png differ
diff --git a/mods/stm_nodes/textures/stm_nodes_chimney_side2.png b/mods/stm_nodes/textures/stm_nodes_chimney_side2.png
new file mode 100644
index 0000000..aad64f6
Binary files /dev/null and b/mods/stm_nodes/textures/stm_nodes_chimney_side2.png differ
diff --git a/mods/stm_nodes/textures/stm_nodes_chimney_top2.png b/mods/stm_nodes/textures/stm_nodes_chimney_top2.png
new file mode 100644
index 0000000..3af40cc
Binary files /dev/null and b/mods/stm_nodes/textures/stm_nodes_chimney_top2.png differ