I have a couple cruddy switch covers around my house that have been painted over. There are a handful of models already on Printables, but I wanted something that was parametric so I could scale it a little bit to cover various sized plates.
I used this guide for the external sizes.
Oriented for printing.
I printed on a Bambu Lab P1S with a PEO/PET build plate to give the print the patterns.
The author marked this model as their own original creation.