{
 "object": "rhombic-link",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "link-30",
   "step": "/files/hardware/rhombic-drive-kit/link-30.step",
   "stl": "/files/hardware/rhombic-drive-kit/link-30.stl",
   "note": "rhombic link 30 mm centres, 8 wide × 5, Ø3 pivot holes; four per drive"
  }
 ]
}