Brand New Half-Square Triangles On A Roll -50' 5"" Finished Size Brand New Brand New Half-Square Triangles On A Roll -50' 5"" Finished Size Brand New Sew On A Roll-Half Square Triangles On A Roll The paper grid is a pattern for sewing and cutting It is printed on a roll of paper that enables you to make as many or as few triangles as you need with 2 different fabrics Simply select your fabrics, place them together, place the paper on top of the fabric, pin the layers together, sew on the dotted lines and cut on the solid lines