{
 "object": "roll-centre",
 "license": "Xem Studio Design License (https://xemstudio.com/license/), Xem Studio",
 "files": [
  {
   "name": "roll-centre-geometry",
   "step": "/files/hardware/roll-centre/roll-centre-geometry.step",
   "stl": "/files/hardware/roll-centre/roll-centre-geometry.stl",
   "note": "roll centre demo: front axle, track 190 mm, Ø50 tyres, 0° (illustrative layout)"
  }
 ]
}