Ultimaker Rubber Band Seige Catapult
grabcad
Excited about Lego, many engineering friends believe that playing with it as a child led them to their careers. As a design engineer myself, I dreamed of being a medieval structural engineer in my youth and loved constructing castles. The true excitement came from demolishing these creations, however! Introducing the siege catapult: simply print, loop a standard rubber band, and launch marbles or even your sister's Barbie's head at targets. I hope you enjoy this updated version (V5) with improved tolerances for easier printing.
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