{
 "object": "tri-clamp-diaphragm-crosshead",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "crosshead-2in-p29.25",
   "step": "/files/hardware/tri-clamp-diaphragm-crosshead/crosshead-2in-p29.25.step",
   "stl": "/files/hardware/tri-clamp-diaphragm-crosshead/crosshead-2in-p29.25.stl",
   "note": "crosshead hub: Ø20 × 3 disc with 3 × Ø2.4 on Ø13, Ø8 boss to 15, Ø3 bore 15 long (rod guide and bleed), bar z 5.5–9.5 to an arm x 13.5–18.5, Ø3 pin hole along X at 29.25"
  },
  {
   "name": "backing-2in-m2-tapped",
   "step": "/files/hardware/tri-clamp-diaphragm-crosshead/backing-2in-m2-tapped.step",
   "stl": "/files/hardware/tri-clamp-diaphragm-crosshead/backing-2in-m2-tapped.stl",
   "note": "tapped backing disc Ø20 × 2: Ø5 centre hole, 3 × Ø1.6 (M2 tap drill) on Ø13"
  }
 ]
}