> Highly precise... requires additional consideration You've just reminded me of watching the family cat when I was a child, wanting to squeeze himself into th

> Highly precise... requires additional consideration You've just reminded me of watching the family cat when I was a child, wanting to squeeze himself into the gap between the end of a sofa and the wall. He tested the gap with his whiskers a couple of times - nope, too narrow. Then the lightbulb moment - he turned just his head sideways, and tested again. Plenty of room! So he rammed himself into the gap. And got stuck.