{
 "object": "rhombic-lower-yoke",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "yoke-lower-piston",
   "step": "/files/hardware/rhombic-drive-kit/yoke-lower-piston.step",
   "stl": "/files/hardware/rhombic-drive-kit/yoke-lower-piston.stl",
   "note": "lower yoke: as the upper, Ø13 × 16 boss with a Ø5 bore through for the 5 mm tube piston rod (M3 grub); the Ø3 displacer rod runs on up inside it"
  }
 ]
}