Creative Grids 45 Degree Kaleidoscope Double-Strip Ruler
The Double Strip-Kaleidoscope ruler is one of a range ofstrip rulers designed to quickly cut triangles, 1/2 Square-Triangles, 1/4-Square-Triangles, 60 degree Triangles,Trapezoids and more from strips of fabric. One side is tocut strips and the other side has relevant triangles.