A simple, low profile cover for a ceiling mounted HVAC register. Fusion 360 file (.f3d) provided so you can adjust parameters if required for your specific register.
Model prints in two pieces if you only need one side; two pieces also easily accommodates smaller printers. Glue together if needed.
Held in place with bar magnets glued in place. Easily found online - search for 60mm x 10mm x 3mm bar magnets.
The author marked this model as their own original creation.