I found this ruler at the Houston International Quilt Festival. There are some sewing geniuses out there! This ruler and the others they have make beautiful contemporary quilts. There is a larger version on this ruler, but this is my size. With this ruler, you cut 5” pieces of fabric stacked so you cut quite a few at a time. You place this ruler “on point” of your fabric and cut in the slot with your rotary cutter. Talk about a time saver! You sew the pieces together leaving a bit at the beginning, then square your blocks to 4 “ for this size. There is very little waste and they go together wonderfully. Quick and easy!