{
 "object": "ross-crank-disc",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "ross-crank-disc-e6",
   "step": "/files/hardware/ross-yoke-kit/ross-crank-disc-e6.step",
   "stl": "/files/hardware/ross-yoke-kit/ross-crank-disc-e6.stl",
   "note": "crank disc Ø24 × 6, Ø5 bore, Ø2.5 tap-drill hole for an M3 grub, Ø3 pin at 6 mm (the yoke rides on it)"
  }
 ]
}