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

Spring Pin Inner

Download STEMFIE files by right-clicking on a link and saving it on your computer (about file names)

      Build Plates/
      CAD/
      Pin SPP INR BU02.00 - SPN-PIN-0085 (stemfie.org).stl 
      Pin SPP INR BU03.00 - SPN-PIN-0086 (stemfie.org).stl 
      Pin SPP INR BU04.00 - SPN-PIN-0087 (stemfie.org).stl
      Pin SPP INR BU05.00 - SPN-PIN-0088 (stemfie.org).stl
      Pin SPP INR BU06.00 - SPN-PIN-0089 (stemfie.org).stl
      Pin SPP INR BU07.00 - SPN-PIN-0090 (stemfie.org).stl
      Pin SPP INR BU08.00 - SPN-PIN-0091 (stemfie.org).stl
      Pin SPP INR BU09.00 - SPN-PIN-0092 (stemfie.org).stl
      Pin SPP INR BU10.00 - SPN-PIN-0093 (stemfie.org).stl

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

Rubber-band-driven Car
Desktop Christmas Tree
Desktop Catapult

Video

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