Creative Grids 15 Degree Triangle Ruler

This 15 Degree Triangle Ruler by Creative Grids provides everything you need for easy and accurate measuring and cutting of 15-degree triangles. Sew together these triangles to create complete circles, half circles, quarter circles, fans and Dresden plates! The ruler slides over fabric until pressure is applied. Then, its grip feature holds the fabric in place while cutting, eliminating slipping and miscuts.