The available sizes are from the smallest 0.25 block units to the most extended screw measuring ten block units.
You can download them from the central STEMFIE 3D file repository (get.stemfie.org), or via this link.
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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!
This toy is not suitable for children under three years due to the choking hazard!
.... 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