{
 "object": "tackle-block-20-top-stem",
 "license": "Xem Studio Design License (https://xemstudio.com/license/), Xem Studio",
 "files": [
  {
   "name": "tackle-block-20-top-stem",
   "step": "/files/hardware/tackle-block-20-top-stem/tackle-block-20-top-stem.step",
   "stl": "/files/hardware/tackle-block-20-top-stem/tackle-block-20-top-stem.stl",
   "note": "frame, sheave plane y = 0, coordinates as in the mechanism"
  }
 ]
}