Simple ez piping wizard. Make custom cords and trim to 1 2 inch or 1 4 inch allowance. Perfect seam allowance for covering piping cord. Tool intended for use on sewing projects. Tools are supported with free quilting projects found on manufacturers website. Simple EZ Piping Wizard allows perfect seam allowance for covering piping cord. Make cord & trim to 1 2inch or 1 4inch allowance. Simplicity Studio.