Creative Grids 90 Degree Double-Strip Ruler
The Double-Strip ruler is one of a range of strip rulers designed to make cutting 1/2-Square-Triangles, 1/4 Square- Triangles, 90 degree Triangles, Trapezoids and more from 2-1/2 in wide strips quickly & easily! One side of the ruler is to cut strips and the other side has relevant triangles.
