{
 "object": "rhombic-crank-pin",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "crank-pin-3x17",
   "step": "/files/hardware/rhombic-drive-kit/crank-pin-3x17.step",
   "stl": "/files/hardware/rhombic-drive-kit/crank-pin-3x17.stl",
   "note": "Ø3 × 17 crank pin: through the gear web, a 1 mm gap, the lower and the upper link"
  }
 ]
}