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

You will need the STEMFIE spanner and the STEMFIE driver to assemble this project.

Download Links



 

STEMFIE Project SPS 000019 STEMFIE Riders Collection Tiny Trike Landscape stemfie.org

STEMFIE Project SPS 000019 STEMFIE Riders Collection Tiny Trike Landscape stemfie.org


New STEMFIE projects

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Quick-print sample

STEMFIE.org Quick print sample shoulder screw pin nut washers brace

The STEMFIE Quick-print Sample file is an easy way to test a few STEMFIE parts and fasteners. You can also check the STEMFIE Calibration File for more elaborate types of fasteners.

Support

STEMFIE.org DOWNLOAD Parts

STEMFIE is a free, open-source, 3D-printable construction set toy that helps children learn STEM! Download the files freely, and please support my efforts to expand this project.