Slingshot & Bullet

This slingshot, when paired with a rubber band fit in to the notches, can launch a specifically designed missile up to 4 meters. For the slingshot to work properly, one must stop the print before the notches get covered and fit in the rubber band.

https://sites.lib.jmu.edu/isci104-fall2018/2018/09/25/tinkercad-final-project-cam-and-cam/