CM Designs Ruler 6" Add-A-Quarter Pink CMDesignsRuler6AddAQuarterPink, 6" CM Designs ruler 6add-a-quarter pink CM Designs rulers combine the speed of rotary cutting quilt pieces with the accuracy of using templates It will automatically add a seam allowance to any straight angle, and provide a straight edge for your rotary cutter It's fast, easy, you can cut multiple layers, and it is Made of recycled plastic 6Add-a-quarter pink- with the specially designed lip, it automatically adds the Customary 1/4Seam allowance