The free and never-ending 3D-printable educational construction-set toy you can download and make at home!
A fun car to build and emulate the mousetrap challenge, demonstrating the retention and controlled release of energy to achieve motion (SPS-000001)

This STEMFIE project builds a small Christmas tree you can assemble in under 15 minutes and decorate using coloured STEMFIE fasteners (SPS-000002)

The STEMFIE Desktop Catapult is perfect for shooting ping-pong balls or crumpled paper (SPS-000003)

Welcome!

This is the official homepage of the STEMFIE Project – the 3D-printable and open-sourced educational construction toy you can download and make at home! 

Quick-print sample

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

☞ Warning!

Warning Choking Hazard Children Small PartsThis toy is not suitable for children under three years due to the choking hazard! 

STEMFIE ...

.... is made for you!

... is open source.

... is free to use and adapt.

... has no fees!

... is #MadeWithFreeCAD

... is easy to 3D-print

... is upscalable (200% - 500%)

... is lots of STEM fun for kids!

... is ready for you to download

Projects

Desktop Christmas Tree
Desktop Catapult
Rubber-band-driven Car

Video

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