The block here is 8", but using the basic design you could draft it to 9" pretty easily.
http://quilting.about.com/od/quiltpa...lt-Pattern.htm
It's based on a 4 x 4 grid, which with an 8" block means each square is 2" (before seam allowances). For a 9" block, each square would be 2 1/4" (again, before seam allowances).