{
 "object": "rhombic-upper-yoke",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "yoke-upper-displacer",
   "step": "/files/hardware/rhombic-drive-kit/yoke-upper-displacer.step",
   "stl": "/files/hardware/rhombic-drive-kit/yoke-upper-displacer.stl",
   "note": "upper yoke: bar 35.4 × 10 × 6, Ø3 pivot holes 25.4 apart along the gear-shaft direction, Ø11 × 16 boss on the axis with the Ø3 displacer-rod bore and an M3 grub"
  }
 ]
}