{
 "object": "m42-screw-mount",
 "license": "CC BY 4.0, Xem Studio",
 "files": [
  {
   "name": "m42x1-male-ring",
   "step": "/files/hardware/m42-screw-mount/m42x1-male-ring.step",
   "stl": "/files/hardware/m42-screw-mount/m42x1-male-ring.stl",
   "note": "M42 × 1 lens mount external thread ring section: ISO 68-1 basic profile, major Ø42, pitch Ø41.350, minor Ø40.917, pitch 1; 8 long (8 turns), bore Ø36.917 (wall is a design choice); exact nominal, no tolerance"
  },
  {
   "name": "m42x1-female-ring",
   "step": "/files/hardware/m42-screw-mount/m42x1-female-ring.step",
   "stl": "/files/hardware/m42-screw-mount/m42x1-female-ring.stl",
   "note": "M42 × 1 lens mount internal thread ring section: ISO 68-1 basic profile, minor Ø40.917, pitch Ø41.350, major Ø42, pitch 1; 8 long (8 turns), outside Ø46 (design choice); exact nominal, no tolerance"
  }
 ]
}