Our Shorti has measured lines every 1/4" as well as diagonal markings on the 45˚ angle and a 3"notch. This ruler is perfect for straight line sewing and stitching-in-the-ditch on a 2 1/2" square quilt block and provides the basic easy curves for the inside and outside of squares and geese. The ruler measures 2.5" tall x 3.5" long and is made of 1/4" acrylic which is safe for use with machine quilting ruler work with a ruler foot and will work with low shank machines.