From 2001 to 2002, I participated in a 9 patch block exchange with other quilters from around the world via rec.crafts.textiles.quilting. Every month a new color was selected and we each made enough 9 patch blocks for everyone on the list and then exchanged them. Then everyone received a whole bunch of different blocks. The finished squares were supposed to be 2" square, with the finished block being 6" x 6" when sewn into a quilt.
This large bedspread-sized quilt used most of the 9 patch blocks as well as many of my own. I machine pieced and machine quilted it, with a black binding and red cotton patterned backing. Currently the machine quilting is in 4" x 4" squares with the intention of making them 2" x 2".