{
  "ingredientPattern": "WLW,W_W",
  "ingredients": {
    "W": { "type": "item", "code": "game:plank-*", "allowedVariants": ["birch", "maple", "pine", "acacia", "kapok"], "name": "type" },
    "L": { "type": "block", "code": "game:linen-*-down" }
  },
  "width": 3,
  "height": 2,
  "output": { "type": "block", "code": "chair-{type}" }
}
