For use with the patented Creative Memories Custom Cutting System, the patterns will help you create the perfect circle shapes to add to any scrapbook page or paper craft project! Creates many different sized designs. Designed for use with Custom Cutting System blades and mat (sold separately). Designed for use with Custom Cutting System blades and mat (sold separately). Includes 3 different sized circle patterns and template Creates circular shapes in 18 different sizes, ranging from .875 to 6.375 inches