{
  "version": "0.1",
  "nodes": {
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    "2": {"id": 2, "name": "base", "op": {"type": "Translate", "child": 1, "offset": {"x": -25, "y": -15, "z": 0}}},
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    "5": {"id": 5, "name": "fin2_cube", "op": {"type": "Cube", "size": {"x": 50, "y": 3, "z": 15}}},
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    "9": {"id": 9, "name": "base_fin1", "op": {"type": "Union", "left": 2, "right": 4}},
    "10": {"id": 10, "name": "base_fin1_fin2", "op": {"type": "Union", "left": 9, "right": 6}},
    "11": {"id": 11, "name": "finned_block", "op": {"type": "Union", "left": 10, "right": 8}}
  },
  "materials": {},
  "part_materials": {},
  "roots": [{"root": 11, "material": "default"}]
}