{
  "version": "0.1",
  "nodes": {
    "1": {
      "id": 1,
      "name": "base",
      "op": {
        "type": "Cylinder",
        "radius": 30,
        "height": 50,
        "segments": 32
      }
    },
    "2": {
      "id": 2,
      "name": "link1_geom",
      "op": {
        "type": "Cube",
        "size": {
          "x": 20,
          "y": 30,
          "z": 150
        }
      }
    },
    "3": {
      "id": 3,
      "name": "center_link1",
      "op": {
        "type": "Translate",
        "child": 2,
        "offset": {
          "x": -10,
          "y": -15,
          "z": 0
        }
      }
    }
  },
  "materials": {},
  "part_materials": {},
  "roots": [
    {
      "root": 1,
      "material": "default"
    },
    {
      "root": 2,
      "material": "default"
    },
    {
      "root": 3,
      "material": "default"
    }
  ]
}