QUILT IN A DAY-Kaleidoscope Ruler. Use this triangular ruler to cut the pieces required for the 45 degree angles in the kaleidoscope quilt. It's made of heavy gauge acrylic and features 1/4 inch, 1/2 inch and 1 inch lines, and has a center line for straight cuts every time. This package contains one ruler: 8-1/2x7 inches. Made in USA.