The 45°Double Strip-Kaleidoscope Ruler is one of a range of Strip Rulers that are designed to make cutting triangles, Half-Square Triangles, Quarter-Square Triangles, 60°Triangles, Trapezoids and more quickly and easily! from strips of fabric.

Use the straight side of this double strip ruler to cut 1 ½" and 2 ½" strips or use the pre-cuts that are on the market. Sew these strips together to create a 4 ½" wide strip set. Turn-a-Round the ruler to cut multiple shapes that finish 4". Multiple layers can be cut at the same time.
. See instruction videohere.