[
  {
    "id": "custom",
    "type": "vehicle",
    "name": "custom",
    "//": "Don't remove this vehicle definition!",
    "blueprint": [ "H" ],
    "parts": [ { "x": 0, "y": 0, "part": "frame_vertical_2" } ]
  },
  {
    "id": "none",
    "type": "vehicle",
    "name": "custom_empty",
    "//": "Don't remove this vehicle definition!",
    "blueprint": [ "H" ],
    "parts": [  ]
  }
]
