Stripology XL RulerReduce your rotary cutting time up to 75 percent with the Stripology XL by Gudrun Erla. This slotted ruler has cutting slits every 1 2 inch so each strip you cut is the exact same size EVERY time! Cut an entire half yard of fabric or a fat quarter without ever moving the ruler. Follow the easy to read markings: squares for 2 1 2 inch cuts and stars for 1 1 2 inch cuts no math required! Cut eight 2 1 2 inch or fourteen 1 1 2 inch strips at one time.