{
 "object": "four-bar-links",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "link-20",
   "step": "/files/hardware/four-bar-links/link-20.step",
   "stl": "/files/hardware/four-bar-links/link-20.stl",
   "note": "four-bar / rocker link, 20 mm centres, \u00d83 holes, 10 wide \u00d7 5 thick"
  },
  {
   "name": "link-30",
   "step": "/files/hardware/four-bar-links/link-30.step",
   "stl": "/files/hardware/four-bar-links/link-30.stl",
   "note": "four-bar / rocker link, 30 mm centres, \u00d83 holes, 10 wide \u00d7 5 thick"
  },
  {
   "name": "link-40",
   "step": "/files/hardware/four-bar-links/link-40.step",
   "stl": "/files/hardware/four-bar-links/link-40.stl",
   "note": "four-bar / rocker link, 40 mm centres, \u00d83 holes, 10 wide \u00d7 5 thick"
  },
  {
   "name": "link-50",
   "step": "/files/hardware/four-bar-links/link-50.step",
   "stl": "/files/hardware/four-bar-links/link-50.stl",
   "note": "four-bar / rocker link, 50 mm centres, \u00d83 holes, 10 wide \u00d7 5 thick"
  },
  {
   "name": "link-60",
   "step": "/files/hardware/four-bar-links/link-60.step",
   "stl": "/files/hardware/four-bar-links/link-60.stl",
   "note": "four-bar / rocker link, 60 mm centres, \u00d83 holes, 10 wide \u00d7 5 thick"
  },
  {
   "name": "link-80",
   "step": "/files/hardware/four-bar-links/link-80.step",
   "stl": "/files/hardware/four-bar-links/link-80.stl",
   "note": "four-bar / rocker link, 80 mm centres, \u00d83 holes, 10 wide \u00d7 5 thick"
  },
  {
   "name": "link-100",
   "step": "/files/hardware/four-bar-links/link-100.step",
   "stl": "/files/hardware/four-bar-links/link-100.stl",
   "note": "four-bar / rocker link, 100 mm centres, \u00d83 holes, 10 wide \u00d7 5 thick"
  }
 ]
}