March 9, 2017
Description
This is a modification of Canning Jar Lids by AlexEnglish ( http://www.thingiverse.com/thing:19105 ), relying on the Thread Library by syvwlch ( http://www.thingiverse.com/thing:8793 ).
Modifications:
Updated 2022-01-17:
Don't forget to download the Thread Library and make sure OpenSCAD can find it.
License:
GNU - GPL