Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4849641.

this is a simple switch Bezel to hold one or 2 wall switches for low voltage lights in a RV

fits 1 or 2 of these standard rocker switches https://www.digikey.ca/en/products/detail/cw-industries/GRS-2011-2055/4425742

Version one is a simpler base Version 2 is filleted on the outside and tappered on the inside to use less plastic and time also gives you a bit more room around the switches