STEMFIE Desktop Catapult Unleash your inner engineer with the STEMFIE Desktop Catapult! This 3D-printable project lets you construct a fully functional catapult, perfect for launching ping-pong balls or crumpled paper.

The catapult's arm is powered by two rotor springs, providing an engaging way to explore the principles of stored energy and mechanics. Challenge your friends to see who can hit the included STEMFIE shooting target or land shots into cups. It's a fun and educational experience for all ages. Download the files, print your parts, and start launching into the world of physics today!

Assembly Tools

• Download the STEMFIE Driver

• Download the STEMFIE Spanner

• Support the STEMFIE open-source toy—join us here on Thangs and be part of our growing community!

• STEMFIE news 👉 x.com/Stemfie3D