
Cats are not humans, but we design things like they are, for our convenience. What are the design patterns for cat-architecture? One missing design pattern: <em>progressive concealment</em>, for cat ledges, flaps & window boxes.
Itself an example of risk compensation: when I experiment with opening a door for a cat, I notice that most seem to go to the threshold to watch the outside intently, and then at last, almost vio… [+6475 chars]