{
  "version": "0.1",
  "nodes": {
    "1": {
      "id": 1,
      "name": "Vertical Cylinder",
      "op": { "type": "Cylinder", "radius": 10, "height": 40, "segments": 32 }
    },
    "2": {
      "id": 2,
      "name": "Horizontal Cylinder Base",
      "op": { "type": "Cylinder", "radius": 10, "height": 40, "segments": 32 }
    },
    "3": {
      "id": 3,
      "name": "Rotate Horizontal 90deg Y",
      "op": { "type": "Rotate", "child": 2, "angles": { "x": 0, "y": 90, "z": 0 } }
    },
    "4": {
      "id": 4,
      "name": "Position Horizontal Center",
      "op": { "type": "Translate", "child": 3, "offset": { "x": -20, "y": 0, "z": 20 } }
    },
    "5": {
      "id": 5,
      "name": "Cross Shaft Union",
      "op": { "type": "Union", "left": 1, "right": 4 }
    }
  },
  "materials": {},
  "part_materials": {},
  "roots": [
    { "root": 5, "material": "default" }
  ]
}