Make Flying Geese Patches quickly and accurately every time without measuring! Just line up the triangle lines on the ruler with the 45-degree sewn lines and trim the patch to the size of the ruler! Choose from two sizes, small and large. The small Flying Geese Ruler makes 1-1/2" x 3" as well as 3" x 6" geese patches, while the large makes 2" x 4" and 4" x 8" patches. The Quilt in a Day Flying Geese Ruler includes fully illustrated and detailed instructions. These rulers are made of heavy gauge acrylic and are laser-precise.