{
  "version": "0.1",
  "nodes": {
    "1": {
      "id": 1,
      "name": "Cube 25",
      "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" }
  ]
}