Use this 18 degree circle segment ruler set to cut 20-petal round or pointed Dresden Plates from strips with no waste of fabric. Or sew together five segments to create round or pointed fans. Each petal can be cut up to 8-1/2 inches to create Dresden Plates up to 16-1/2 inches. A circle template for the center is included. It comes with fully illustrated step by step instructions or view the video demonstration.