STEMFIE Rolling Mangonel – A 3D-Printable Siege on Wheels!

Prepare for battle with the STEMFIE Rolling Mangonel, a fully 3D-printable, wheeled catapult designed for epic fun! Inspired by medieval siege engines, this mobile launcher lets you hurl small projectiles with precision while rolling into strategic positions.

Features:

• Wheeled for mobility – Move into position before launching!
• Easy to assemble – 100% 3D-printable, no extra parts needed!
• STEM learning meets fun – Experiment with angles, force, and mechanics!
• The build plate files include a 3D-printable STEMFIE sphere for ammunition!

Whether you're launching mini payloads in a tabletop battle or just having fun testing your aim, the STEMFIE Rolling Mangonel is the ultimate siege machine for makers and tinkerers. Download, print, and start launching!

🔗 Print. Build. Play. Conquer! 🚀

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