A new, updated version of the STEMFIE quick-print STL file is available for download. It will 3D-print in under one hour and demonstrates how the threaded and the cam-locking fasteners work.
New version of the STEMFIE quick-print STL file available
The free and never-ending 3D-printable educational construction-set toy you can download and make at home!
This toy is unsuitable for children under three years due to choking hazards! 
