Exhaust vent cover
grabcad
The covers for the bathroom exhaust vents are not sold anymore. Here is a model you can 3D print as a replacement (assuming it is similar).
Download Model from grabcad
With this file you will be able to print Exhaust vent cover with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Exhaust vent cover.