The Quick Straight Ruler from Sew Kind of Wonderful is perfect for cutting half-rectangle triangles. This 6" x 13" clear, acrylic ruler has an angled straight slot for easily cutting fabric. It also has square dot grids within the inch markings to make it easy to use as an everyday ruler for general cutting and squaring-up fabric. Use with the Tripping Out Quilt Kit or enjoy the free pattern enclosed.
