The free and never-ending 3D-printable educational construction-set toy you can download and make at home!

Updated catapult model

There is now an updated (WIP) version of the simplified STEMFIE desktop catapult, which you can download from this link as a Blender file and ready-to-print .3mf file. 

 

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 unsuitable for children under three years due to choking hazards! 

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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