Giant Hex Bolt Pen Holder
thingiverse
Saw a post about someone who made a pen holder out of giant nuts stacked together, so decided to create my own version using a giant bolt instead. Plan on posting a nut that threads onto this at some point in the future. The threads on this design are approximately 3.5 to 4 threads per inch (TPI). Haven't printed one yet, but will update when I do have it finished and ready to share.
Download Model from thingiverse
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