Actually, we did exactly that before this was an official recommendation. We went with a plywood offcut, hole saw and sanded it all nice and smooth. We even gave it a nice wood stain. Worked out quite nice and made for a great date night under lockdown. Here's a video of it LOL:

Hi! I've been popping in and out for a while but just came back here due to lockdown restrictions in my country. This is keeping me busy. Hope everyone's well wherever you are! ️ E.

Ciao amico