This fun Butterfly Fields Pattern by Sew Kind of Wonderful quilt has 20 butterfly blocks, and each butterfly has traditional patchwork blocks sewn into the wings. The Wonder Curve Ruler is necessary for cutting curved shapes. This is a great skill-builder project@ Butterfly Fields blocks finish at 15-1/4 in. x 15-1/4 in., and the finished quilt measures 61 in. x 76 in.