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

Preview of the next STEMFIE project

A new STEMFIE project will be released soon! Get some filament for your 3D printer, and also, get a ping-pong ball. :) 

Get the news via the Stemfie3D newsletter.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

Browse parts

2023 12 06 STEMFIE online viewer

Use the STEMFIE web app to browse, view, and download parts.

Projects

Desktop Christmas Tree
Desktop Catapult
Rubber-band-driven Car

Search

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!