Light Switch Cover w/ Hooks (3 switch)
thingiverse
I've never tried printing this myself since it needed to be hollowed out from the bottom, take a look at my profile if you're looking for a more affordable way to do this using existing light switch plates.
Download Model from thingiverse
With this file you will be able to print Light Switch Cover w/ Hooks (3 switch) 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 Light Switch Cover w/ Hooks (3 switch).