The posted design is of a remote control holder I had to mount in my RV when I had it. It requires double sided tape but I am sure you can screw it down if necessary. I have the fusion 360 files too if you wish to use it. If you want to sell this as a product consider this a freebee and do it, I don't care. Apologies for the STL angle, the front is very basic and just has a few holes to save filament. You can click the box at the top right of the image to look at it in 3D.
Please comment for any changes desired!
New Update: 5/29/2023 Update to thickness of back and to remove detail. Should improve print time dramatically. All walls are 2mm thick.