The Quilt and Sew Ruler is the perfect tool for drafting any size patchwork or applique pattern. It is also a valuable measuring aid for all home sewing projects. It is made of clear, see-through, flexible plastic, with laminated permanent printing. It is a graph ruled -inch is marked in 16th, and it has a zero centering scale with holes pierced every 1/2 inch. These special features eliminate the need for graph paper, compass and the draftsman triangle when drafting patterns for your quilting projects.