Here is a community-based STEMFIE design by opcion3D. He made a lovely desk sign containing a QR code for the STEMFIE Project! He made the files available for everyone to download at Printables.com.
STEMFIE QR code sign by opcion3d
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! 
