The Sew Easy Patchwork Triangle is the ideal ruler for cutting equilateral triangles and 60 degree diamonds. It's also a very popular ruler for six-pointed star designs and tumbling blocks. Making diamonds and triangles are quick and easy to cut from strips. This handy template tool offers clear and easy to read lines in 1/8-inch increments. This durable acrylic ruler has laser-cut edges for precision cutting, with a two-colour grid for all of your essential measurements.Size: 21.6 x 17.8cm (8.5 x 7 inches)Laser-cut edges for precision cuttingMade from tough durable acrylicIdeal for cutting equilateral triangles, 60 degree diamonds and six-pointed starsSew Easy Patchwork Triangle 8.5 x 7 Inches. quilting sets for beginners