60 Degree Ruler: This is an equilateral triangle perfect for diamonds and other shapes with 60 degree angles.
90 Degree Ruler: This is a right-angle ruler, great for squaring up small pieces, and cutting shapes with 90 or 45 degree corners.
Kite Ruler: This ruler is great for almost any small project and shape. It cuts triangles, diamonds, and patterns with 60 or 90 degree angles.