I didn’t believe this deserved a project posting…maybe later, if I get the chance to create some moldings on the edges and a finish on her. I also think it needs an endcap of some kind between the two supports.
Anyways, the picture.
I had fifteen minutes to myself a few nights ago, and this is what I came up with. Hope you take the idea and make it your own, for your furniture. It’s about 15”w x 13”L.
-- make it safe & keep the rubber side down.