36"- Use a fine point sharpie marker or soft pencil to make your pattern lines directly onto the shiny fusible side. "No need to use the mirror image!!!" Draw each required shape. Cut out of foundation paper directly on your line. Iron on to the wrong side of your fabric. Cut shape out of fabric with approximate 3/16 seam allowance. Lightly glue the inside edges and use your turning rods to press over the foundation paper for a PERFECT finished shape ready to applique to your background. Washable and dry cleanable. Leaves a very soft light weight woven interfacing.