Sometimes it's those big rectangles that are hard to get perfect. When you want crisp corners and absolutely straight sides in a New York minute, use the GO! Rectangle-4 1/2" x 8 1/2" die to cut these large rectangles perfectly, every time and through several layers of fabric. You simply need a 10" x 10" mat, your AccuQuilt GO! or GO! Baby Fabric Cutter and that gorgeous fabric you've been eyeing.