Thingiverse
Pencil Launcher
by WillemvD
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Pencil Launcher
https://youtu.be/NQ93R2Apu_g
For safety reasons, only pencils with a soft eraser in front should be used. The sharp point goes into the launcher.
Like in the rocket launcher http://www.thingiverse.com/thing:1948686 two rubber bands take care of a powerful launch. The launcher has three parts, the tube, a moving cylinder and a fixed part which is attached to the tube with three small screws. Push the pencil, point forward, into the hole of the fixed part, stretching the rubber
https://youtu.be/NQ93R2Apu_g
For safety reasons, only pencils with a soft eraser in front should be used. The sharp point goes into the launcher.
Like in the rocket launcher http://www.thingiverse.com/thing:1948686 two rubber bands take care of a powerful launch. The launcher has three parts, the tube, a moving cylinder and a fixed part which is attached to the tube with three small screws. Push the pencil, point forward, into the hole of the fixed part, stretching the rubber
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