diff --git a/crafting.lua b/crafting.lua
index 474f808..bd24534 100644
--- a/crafting.lua
+++ b/crafting.lua
@@ -12,39 +12,60 @@ minetest.register_craft({
 	},
 })
 minetest.register_craft({
-	output = 'advtrains:dtrack_puffer 2',
+	type = "shapeless",
+	output = 'advtrains:dtrack_vst1 2',
 	recipe = {
-		{'default:wood', 'dye:red', ''},
-		{'default:steel_ingot', '', 'default:steel_ingot'},
-		{'advtrains:dtrack_placer', 'advtrains:dtrack_placer', ''},
-	},
-})
---temporary, as long as puffers do not rotate
-minetest.register_craft({
-	output = 'advtrains:dtrack_puffer_30',
-	recipe = {
-		{'advtrains:dtrack_puffer'},
+		"advtrains:dtrack_placer",
+		"advtrains:dtrack_placer",
+		"default:gravel",
 	},
 })
 minetest.register_craft({
-	output = 'advtrains:dtrack_puffer_45',
+	type = "shapeless",
+	output = 'advtrains:dtrack_vst2 2',
 	recipe = {
-		{'advtrains:dtrack_puffer_30'},
-	},
-})
-minetest.register_craft({
-	output = 'advtrains:dtrack_puffer_60',
-	recipe = {
-		{'advtrains:dtrack_puffer_45'},
-	},
-})
-minetest.register_craft({
-	output = 'advtrains:dtrack_puffer',
-	recipe = {
-		{'advtrains:dtrack_puffer_60'},
+		"advtrains:dtrack_placer",
+		"advtrains:dtrack_placer",
+		"default:gravel",
+		"default:gravel",
 	},
 })
 
+minetest.register_craft({
+	output = 'advtrains:dtrack_bumper 2',
+	recipe = {
+		{'default:wood', 'dye:red'},
+		{'default:steel_ingot', 'default:steel_ingot'},
+		{'advtrains:dtrack_placer', 'advtrains:dtrack_placer'},
+	},
+})
+--signals
+minetest.register_craft({
+	output = 'advtrains:retrosignal_off 2',
+	recipe = {
+		{'dye:red', 'default:steel_ingot', 'default:steel_ingot'},
+		{'', '', 'default:steel_ingot'},
+		{'', '', 'default:steel_ingot'},
+	},
+})
+minetest.register_craft({
+	output = 'advtrains:signal_off 2',
+	recipe = {
+		{'', 'dye:red', 'default:steel_ingot'},
+		{'', 'dye:dark_green', 'default:steel_ingot'},
+		{'', '', 'default:steel_ingot'},
+	},
+})
+
+--trackworker
+minetest.register_craft({
+	output = 'advtrains:trackworker',
+	recipe = {
+		{'default:diamond'},
+		{'screwdriver:screwdriver'},
+		{'default:steel_ingot'},
+	},
+})
 
 --wagons
 minetest.register_craft({
diff --git a/manual.pdf b/manual.pdf
new file mode 100644
index 0000000..71c3b3f
Binary files /dev/null and b/manual.pdf differ
diff --git a/misc_nodes.lua b/misc_nodes.lua
index aeb1cfc..ac1bf9b 100644
--- a/misc_nodes.lua
+++ b/misc_nodes.lua
@@ -63,13 +63,5 @@ function advtrains.register_platform(preset)
 	})
 end
 
-minetest.register_abm({
-		name = "advtrains:platform_high",
-	--  In the following two fields, also group:groupname will work.
-		nodenames = {"advtrains:platform_high"},
-		interval=1,
-		chance=1,
-		action = function(pos, node, active_object_count, active_object_count_wider) minetest.set_node(pos, {name="advtrains:platform_high_stonebrick", param2=node.param2}) end,
-	})
 
 advtrains.register_platform("default:stonebrick")
diff --git a/models/advtrains_modernwagon.b3d b/models/advtrains_modernwagon.b3d
new file mode 100644
index 0000000..aacddca
Binary files /dev/null and b/models/advtrains_modernwagon.b3d differ
diff --git a/models/blender/mbb/modern_wagong.blend b/models/blender/mbb/modern_wagong.blend
index d85e841..f32710a 100644
Binary files a/models/blender/mbb/modern_wagong.blend and b/models/blender/mbb/modern_wagong.blend differ
diff --git a/models/blender/mbb/modern_wagong.blend1 b/models/blender/mbb/modern_wagong.blend1
new file mode 100644
index 0000000..376831c
Binary files /dev/null and b/models/blender/mbb/modern_wagong.blend1 differ
diff --git a/models/blender/mbb/modern_wagong_uv.blend b/models/blender/mbb/modern_wagong_uv.blend
new file mode 100644
index 0000000..4c10fb3
Binary files /dev/null and b/models/blender/mbb/modern_wagong_uv.blend differ
diff --git a/models/blender/mbb/modern_wagong_uv.blend1 b/models/blender/mbb/modern_wagong_uv.blend1
new file mode 100644
index 0000000..ce77416
Binary files /dev/null and b/models/blender/mbb/modern_wagong_uv.blend1 differ
diff --git a/tracks.lua b/tracks.lua
index 6153658..6c4a5cf 100644
--- a/tracks.lua
+++ b/tracks.lua
@@ -191,6 +191,7 @@ function advtrains.register_tracks(tracktype, def, preset)
 				not_blocking_trains=1,
 			},
 			mesecons=mesecontbl,
+			drop = increativeinv and def.nodename_prefix.."_"..suffix..rotation or def.nodename_prefix.."_placer",
 			}
 	end
 	local function cycle_conns(conns, rotid)