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TactiCool Pen

by mussy Dec 16, 2017
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What is the pen cartridge this thing uses? Printed one, but nothing I have fits.
Great design.

3mm OD X 100mm L
Thanks, The main reason I made it in 2 pieces is so you can modify the pen top piece to fit any pen cartridge available, drill it to the desired diameter and glue the cartridge in the pen top piece. If the ink runs out just print the top piece again, it prints in under 10 mins ;)