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

STEMFIE connectors and shafts are ready for download

The files for the STEMFIE shafts and corresponding connectors are now published and ready for download. You can find them in the Parts section under Connectors and Shafts.

Connectors Through Hole Main Image stemfie.org

Shafts Plain Main Image stemfie.org

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. 

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

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! 

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