I was looking for a pattern for pet beds last month, & found lots. On utube, on weallsew.com, on about.com & other places too. I'm not on my machine, so I can't post the urls...
but here's one:
http://tipnut.com/pet-beds/ ** 15 different free ideas here
and
http://weallsew.com/?s=pet+beds * no pattern here just a description
here's another real nice one:
http://fabyoubliss.com/2012/04/19/do...-bed-for-them/