I don't know exactly what you are looking for, but here's a couple to check out.
http://www.catswhoquilt.com/free.html
http://www.freequiltpatterns.info/QuiltCategories/FreeCatQuiltPatterns.htm
http://www.quiltdesignnw.com/tips_q_kitty.htm
http://www.bellaonline.com/subjects/3967.asp
http://www.freequilt.com/animal.html