{
  "version": "0.1",
  "nodes": {
    "1": {
      "id": 1,
      "name": "cube",
      "op": {"type": "Cube", "size": {"x": 25, "y": 25, "z": 25}}
    },
    "2": {
      "id": 2,
      "name": "centered_cube",
      "op": {"type": "Translate", "child": 1, "offset": {"x": -12.5, "y": -12.5, "z": -12.5}}
    }
  },
  "materials": {},
  "part_materials": {},
  "roots": [{"root": 2, "material": "default"}]
}