The perfect ruler for turning your stacks of 10″ fabric squares into quilts! The Cake Cutter ruler has all the measurements you need – lines for cutting, and slots for drawing diagonal lines. Square up blocks, make half square triangles, quarter square triangles, trim down blocks, sub-cut units… the Cake Cutter Ruler can do it all! Combine the Cake Cutter Ruler with a set of 10″ squares from your favorite fabric line to make a quick and easy quilt!