Instructions
Print, be sure spaces/ moving parts are not sealed in with the outer frame... the internal peice is meant to slide up and down the chamber.
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A Universe of Things
Chalk Pen
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- Created on May 13, 2010
A must have for classroom teachers. This "pen" was designed to be a fitting for the standard classroom chalk (3/8"D). It's adjustable and pretty stable (as far as my knowledge goes in its design). I'm a little unsure if its 3D printer friendly, but if you have one of those really expensive 3D printers, hey why not give it a shot and upload some photos. Hope you enjoy
