Creative Grids 90 Degree Quarter-Square Triangle Quilt Ruler – CGRT90 – Made in USA, 8-1/2in x 17in, Non-Slip Grip Acrylic Quilting, Sewing, Crafting, Patchwork Ruler & Template

Use this 90 degree triangle ruler, designed by Rachel Cross for Creative Grids, to cut quarter-square triangles from strips up to 8-1/2in wide. Sew four of them together to make a block up to 16in finished size.