👉   Play freely and build endless fun at home with STEMFIE, the free 3D-printable educational toy   👈 

New and improved STEMFIE spanner

The classic STEMFIE spanner tool has been revised and is now available for download. It has new features as described below.

  • A 2BU ruler on the bottom and sides surfaces to measure block units (BU) divided into halves and quarters.
  • Wider waist measuring precisely 1BU (12.5 mm)
  • The gripping centers and the threaded hole are now located at evenly spaced block units.

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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

Download

Download Cloud Repository Module STEMFIE

Download Cloud Repository Module GoogleDrive

Download Cloud Repository Module MicrosoftOneDrive

Download Cloud Repository Module MEGA

Download Cloud Repository Module box

☞ Warning!

Warning Choking Hazard Children Small PartsThis toy is unsuitable for children under three years due to choking hazards! 

Quick-print sample

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

The STEMFIE Quick-print Sample file is an easy way to test a few STEMFIE parts and fasteners. You can also check the STEMFIE Calibration File for more elaborate types of fasteners.

Browse parts

2023 12 06 STEMFIE online viewer

Check out the STEMFIE web app prototype to browse, view, and download parts (Github).

Projects

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