diff --git a/assets/cubyz/blocks/transmutation_workbench.zig.zon b/assets/cubyz/blocks/transmutation_workbench.zig.zon
new file mode 100644
index 0000000000..032cfdfb4c
--- /dev/null
+++ b/assets/cubyz/blocks/transmutation_workbench.zig.zon
@@ -0,0 +1,14 @@
+.{
+	.tags = .{.diggable},
+	.blockHealth = 6.5,
+	.drops = .{
+		.{.items = .{.auto}},
+	},
+	.model = "cubyz:cube",
+	.rotation = "cubyz:stairs",
+	.texture = "cubyz:aerosoil",
+	.onInteract = .{
+		.type = .open_crafting_window,
+		.craftingTags = .{.alchemy},
+	},
+}
diff --git a/assets/cubyz/recipes/cloth_recipes.zig.zon b/assets/cubyz/recipes/cloth_recipes.zig.zon
index 9a5e00ffa3..a8da98d2d1 100644
--- a/assets/cubyz/recipes/cloth_recipes.zig.zon
+++ b/assets/cubyz/recipes/cloth_recipes.zig.zon
@@ -4,4 +4,10 @@
 		.output = "cubyz:cloth/block/{color}",
 		.reversible = true,
 	},
+	.{
+		.inputs = .{"4 cubyz:copper_ingot"},
+		.output = "cubyz:silver_ingot",
+		.reversible = true,
+		.craftingTags = .{.alchemy},
+	},
 }
diff --git a/src/callbacks/block/client/_list.zig b/src/callbacks/block/client/_list.zig
index 9a77fb7eb6..c056756e4a 100644
--- a/src/callbacks/block/client/_list.zig
+++ b/src/callbacks/block/client/_list.zig
@@ -1,3 +1,4 @@
 pub const edit_sign = @import("edit_sign.zig");
 pub const open_chest = @import("open_chest.zig");
 pub const open_window = @import("open_window.zig");
+pub const open_crafting_window = @import("open_crafting_window.zig");
diff --git a/src/callbacks/block/client/edit_sign.zig b/src/callbacks/block/client/edit_sign.zig
index 12df89a0d5..8e68261ff3 100644
--- a/src/callbacks/block/client/edit_sign.zig
+++ b/src/callbacks/block/client/edit_sign.zig
@@ -12,7 +12,7 @@ pub fn init(_: ZonElement, _: main.callbacks.Creator) ?*anyopaque {
 
 pub fn run(_: *anyopaque, params: main.callbacks.ClientBlockCallback.Params) main.callbacks.Result {
 	if (params.block.blockEntity() == null or !std.mem.eql(u8, params.block.blockEntity().?.id, "cubyz:sign")) {
-		std.log.err("Can only edit sign if block entity of the block is a sign.", .{});
+		std.log.err("Error: Can only edit sign if block entity of the block is a sign.", .{});
 		return .ignored;
 	}
 	main.block_entity.block_entity_types.@"cubyz:sign".StorageClient.mutex.lock();
diff --git a/src/callbacks/block/client/open_chest.zig b/src/callbacks/block/client/open_chest.zig
index 1e3df75a1c..b5bfd66fc4 100644
--- a/src/callbacks/block/client/open_chest.zig
+++ b/src/callbacks/block/client/open_chest.zig
@@ -12,7 +12,7 @@ pub fn init(_: ZonElement, _: main.callbacks.Creator) ?*anyopaque {
 
 pub fn run(_: *anyopaque, params: main.callbacks.ClientBlockCallback.Params) main.callbacks.Result {
 	if (params.block.blockEntity() == null or !std.mem.eql(u8, params.block.blockEntity().?.id, "cubyz:chest")) {
-		std.log.err("Can only open chest if block entity of the block is a chest.", .{});
+		std.log.err("Error: Can only open chest if block entity of the block is a chest.", .{});
 		return .ignored;
 	}
 	main.network.protocols.block_entity_update.sendClientDataUpdateToServer(main.game.world.?.conn, params.blockPos);
diff --git a/src/callbacks/block/client/open_crafting_window.zig b/src/callbacks/block/client/open_crafting_window.zig
new file mode 100644
index 0000000000..e26bc30074
--- /dev/null
+++ b/src/callbacks/block/client/open_crafting_window.zig
@@ -0,0 +1,25 @@
+const std = @import("std");
+
+const main = @import("main");
+const Block = main.blocks.Block;
+const vec = main.vec;
+const Vec3i = vec.Vec3i;
+const ZonElement = main.ZonElement;
+
+craftingTags: []main.Tag,
+
+pub fn init(zon: ZonElement, _: main.callbacks.Creator) ?*@This() {
+	const result = main.worldArena.create(@This());
+	const craftingTags = main.Tag.loadTagsFromZon(main.worldArena, zon.getChild("craftingTags"));
+	if (craftingTags.len == 0) std.log.err("Error: Missing craftingTags \"name\" for open_crafting_window event.", .{});
+	result.* = .{
+		.craftingTags = craftingTags,
+	};
+	return result;
+}
+
+pub fn run(self: *@This(), _: main.callbacks.ClientBlockCallback.Params) main.callbacks.Result {
+	main.gui.windowlist.inventory_crafting.openFromCallback(self.craftingTags);
+	main.Window.setMouseGrabbed(false);
+	return .handled;
+}
diff --git a/src/callbacks/block/client/open_window.zig b/src/callbacks/block/client/open_window.zig
index f67fa9bfc0..ea08f8722a 100644
--- a/src/callbacks/block/client/open_window.zig
+++ b/src/callbacks/block/client/open_window.zig
@@ -12,7 +12,7 @@ pub fn init(zon: ZonElement, _: main.callbacks.Creator) ?*@This() {
 	const result = main.worldArena.create(@This());
 	result.* = .{
 		.windowName = main.worldArena.dupe(u8, zon.get([]const u8, "name") orelse {
-			std.log.err("Missing field \"name\" for open_window event.", .{});
+			std.log.err("Error: Missing field \"name\" for open_window event.", .{});
 			return null;
 		}),
 	};
diff --git a/src/gui/GuiWindow.zig b/src/gui/GuiWindow.zig
index e8616b0dc2..6a93e453d6 100644
--- a/src/gui/GuiWindow.zig
+++ b/src/gui/GuiWindow.zig
@@ -73,6 +73,8 @@ onOpenFn: *const fn () void = &defaultFunction,
 
 onCloseFn: *const fn () void = &defaultFunction,
 
+onToggleWindowFn: *const fn () void = &defaultFunction,
+
 var grabbedWindow: *const GuiWindow = undefined;
 var windowMoving: bool = false;
 var grabPosition: ?Vec2f = null;
diff --git a/src/gui/gui.zig b/src/gui/gui.zig
index 9c85d16369..6dff31af29 100644
--- a/src/gui/gui.zig
+++ b/src/gui/gui.zig
@@ -131,7 +131,7 @@ pub fn initWindowList() void {
 		const windowStruct = @field(windowlist, decl);
 		windowStruct.window.id = decl;
 		addWindow(&windowStruct.window);
-		const functionNames = [_][]const u8{"render", "update", "updateSelected", "updateHovered", "onOpen", "onClose"};
+		const functionNames = [_][]const u8{"render", "update", "updateSelected", "updateHovered", "onOpen", "onClose", "onToggleWindow"};
 		inline for (functionNames) |function| {
 			if (@hasDecl(windowStruct, function)) {
 				@field(windowStruct.window, function ++ "Fn") = &@field(windowStruct, function);
@@ -649,6 +649,7 @@ pub fn toggleGameMenu() void {
 				_ = openWindows.swapRemove(i);
 				window.onCloseFn();
 			} else {
+				window.onToggleWindowFn();
 				i += 1;
 			}
 		}
diff --git a/src/gui/windows/inventory_crafting.zig b/src/gui/windows/inventory_crafting.zig
index 9d7f78e02a..2012f308ea 100644
--- a/src/gui/windows/inventory_crafting.zig
+++ b/src/gui/windows/inventory_crafting.zig
@@ -35,15 +35,32 @@ const padding: f32 = 8;
 var availableItems: main.ListManaged(BaseItemIndex) = undefined;
 var itemAmount: main.ListManaged(u32) = undefined;
 var inventories: main.ListManaged(ClientInventory) = undefined;
+var craftableFromTags: main.ListManaged(main.Tag) = undefined;
+var foundNewTags: bool = false;
+var defaultCraftingTags: []main.Tag = undefined;
 
 pub var arrowTexture: Texture = undefined;
 
 pub fn init() void {
 	arrowTexture = Texture.initFromFile("assets/cubyz/ui/inventory/crafting_arrow.png");
+	defaultCraftingTags = main.globalAllocator.alloc(main.Tag, 1);
+	defaultCraftingTags[0] = main.Tag.handCraftable;
+	craftableFromTags = .init(main.globalAllocator);
+	changeCraftingTags(defaultCraftingTags);
 }
 
 pub fn deinit() void {
 	arrowTexture.deinit();
+	craftableFromTags.clearAndFree();
+	craftableFromTags.deinit();
+	main.globalAllocator.free(defaultCraftingTags);
+}
+
+pub fn openFromCallback(craftingTags: []main.Tag) void {
+	changeCraftingTags(craftingTags);
+	gui.closeWindowFromRef(&window);
+	gui.openWindowFromRef(&window);
+	main.Window.setMouseGrabbed(false);
 }
 
 fn addItemStackToAvailable(itemStack: ItemStack) void {
@@ -70,7 +87,8 @@ fn findAvailableRecipes(list: *VerticalList) bool {
 	for (0..main.game.player.inventory.size()) |i| {
 		addItemStackToAvailable(main.game.player.inventory.getStack(i));
 	}
-	if (std.mem.eql(u32, oldAmounts, itemAmount.items)) return false;
+	if (std.mem.eql(u32, oldAmounts, itemAmount.items) and (!foundNewTags)) return false;
+	foundNewTags = false;
 	// Remove no longer present items:
 	var i: u32 = 0;
 	while (i < availableItems.items.len) : (i += 1) {
@@ -93,6 +111,14 @@ fn findAvailableRecipes(list: *VerticalList) bool {
 			}
 			continue :outer; // Ingredient not found.
 		}
+		middle: for (recipe.craftingTags) |tag| {
+			for (craftableFromTags.items) |craftingStationTag| {
+				if (tag == craftingStationTag) {
+					continue :middle;
+				}
+			}
+			continue :outer; // Recipe not craftable by this.
+		}
 		// All ingredients found: Add it to the list.
 		const inv = ClientInventory.init(main.globalAllocator, recipe.sourceItems.len + 1, .{.crafting = recipe}, .other, .{});
 
@@ -171,6 +197,19 @@ pub fn onClose() void {
 	inventories.deinit();
 }
 
+pub fn onToggleWindow() void {
+	changeCraftingTags(defaultCraftingTags);
+	refresh();
+}
+
 pub fn update() void {
 	refresh();
 }
+
+fn changeCraftingTags(newCraftingTags: []main.Tag) void {
+	foundNewTags = true;
+	if (std.mem.eql(main.Tag, craftableFromTags.items, newCraftingTags)) return;
+	craftableFromTags.deinit();
+	craftableFromTags = .initCapacity(main.globalAllocator, newCraftingTags.len);
+	craftableFromTags.appendSlice(newCraftingTags);
+}