{
 "object": "rhombic-frame-head",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "rhombic-frame-head-2in",
   "step": "/files/hardware/stirling-linkage-fittings/rhombic-frame-head-2in.step",
   "stl": "/files/hardware/stirling-linkage-fittings/rhombic-frame-head-2in.stl",
   "note": "2 in rhombic frame head: ISO 2852 cap face, Ø50.8 pedestal to 14, 96 × 87 platform 14..18, two 5 mm walls (y -31..-26 and -61..-56 behind the spool axis) with Ø16 through pockets for 625 bearings at x ±33, 62 above the face; Ø24 rod window on the axis"
  }
 ]
}