1/4" Carriage Bolt Knob
thingiverse
Just another carriage bolt knob, this one is for 1/4". If you need one for 3/8", I made one here: https://www.thingiverse.com/thing:2759151 There are 2 versions, v1 is the "stubby" one, no supports needed. v2 is the more traditional knob, you will need supports for that one. UPDATE - I just learned how to add knurling in Fusion360, I decided to practice on v1. It turned out okay so I uploaded it (1:4-knob-v1.2). Enjoy!
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