{
 "object": "mason-jar-band",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "mason-band-regular-70",
   "step": "/files/hardware/mason-jars-and-lids/mason-band-regular-70.step",
   "stl": "/files/hardware/mason-jars-and-lids/mason-band-regular-70.stl",
   "note": "regular-mouth screw band, 70-450 internal thread: root Ø71.22 (T), crest Ø68.58 (E), 6.35 mm pitch (4 TPI) single-start right-hand, 1 1/4 turns, 60° L-form 1.32 deep; 14.29 tall (9/16 in), 0.154 mm sheet; top flange not drawn (aperture not published)"
  }
 ]
}