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

A first test of making spur gears for STEMFIE having the center hole shaped as the STEMFIE nut. This makes it easier to use the same spur gear part for driving or freewheeling use, depending on the type of center hole insert. (

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2023 07 11 STEMFIE Spur Gears WIP3

2023 07 11 STEMFIE Spur Gears WIP4

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.

Support

STEMFIE.org DOWNLOAD Parts

STEMFIE is a free, open-source, 3D-printable construction set toy that helps children learn STEM! Download the files freely, and please support my efforts to expand this project.