Free 

Feature: -Ball size. -Thread rod size and on/off option. -Socket. -Base plate size and on/off option.
Revise: 2021.02.1 Added an option to use as a library. Bug fixes for neck_top_hi.
Revise: 2021.02.6 Added an option to turn on / off the thread rod.
If this design is useful, please click ♥ .
Screw thread Is a remix from https://www.thingiverse.com/thing:2158656, written by RevK @TheRealRevK. Thanks for the useful code.











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