Wall Spacer for Wooden Folding Table

I was getting annoyed at the fact that the folding table I use as a desk was constantly becoming unaligned or sliding backwards off of the carpet protectors whenever someone would lean against it, since I keep it a couple inches away from the wall to make room for cords. So I made this Desk Wall Spacer to slide onto the back edge of the desk and give a big surface to put felt pads on against the wall. This is guaranteed to keep my desk properly aligned, and away from the wall, and I no longer worry about the desk scooting around.

This is made for tables of approximately 17-18mm thickness, though the model could be adjusted for thicker or thinner tables.