I thought about posting this in woodworking, but everything there seems to be related to actual problems in carpentry.
I'm trying to describe a kitten’s behaviour: Frisky's so desperate for an opponent to wrestle with, even the [wall corner] will do. I want to know if there's a technical term for this kind of corner. I already tried searching here and also googling convex corner, corner facing out, and wall corner facing out, all without finding the sought after term.
Here's a picture of the actual thing: