This one-patch shape is so versitle! Start with 4 Half Clamshells to make a Pinwheel block. Then experiment with fabric placement and contrast to create Clamshell or Apple Core blocks. Push your designs even further by adding the Orange Peel shape and the design possiblities are endless!
 
Two transparent acrylic templates which include a 1/4” seam allowance 
The set includes the Half Clamshell and Orange Peel shapes
Finished block size is 12 inches
Visit my Pinterest board to see all kinds of quilts you can make with the Half Clamshell templates