We once had a cat which liked to sleep in a box full of Lego bricks.
Cats always seem to home in on the least suitable target, don't they? Whether it's fancy tights or a skirt that you'd think would be too short to make a comfortable lap, there's little to deter a cat who's decided it wants to sit there.
This was created while I was fooling around with an old project - long-term Poser users may have recognised Victoria 3's distinctive shoulders. In fact this is V3 low-res; Poser 11's subdivision makes her quite usable, even more so when you add up-to-date materials courtesy of EZSkin3. If I was using V3 in a new project, I'd use the weight mapped version.