Spines of a feather stick together! Feathering big or small, and echo spines can come your way. These rulers are perfect for those echo spines, vine effects, and much more. Let your imagination go as you use these to embellish your quilt with detail and character. The Small ruler is 7 1/4" x 4", theMedium is 11 1/2' x 6" and the Large is 14"x 6".