Bolt Pen! by sf56e 3d model
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Bolt Pen! by sf56e

Bolt Pen! by sf56e

by Thingiverse
Last crawled date: 3 years, 1 month ago
Hide a pen inside a 3/8" bolt. The cap screws on and off. Use the ink cartridge out of a cheap bic or papermate pen on the inside. You may need to use a touch of hot glue to keep the pen from sliding out.

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