Sew Easy Quilting Patchwork Ruler 8-1/2″×7″  Triangle Template

Quilting Template by Sew Easy Quilting Patchwork Ruler 8-1/2″×7″ Triangle Template, Perfect for making patchwork quilts. Makes a great gift, collect them all! Designed by Darlene Zimmerman.

https://shoppers-planet.com/product-category/quilting-accessories-and-templates/

Many Other Types and Sizes available.