New Triangles On A Roll 6.5" Finished Half-Square Triangles Foundation Paper. Foundation Paper makes 160 Squares. Has instructions and a website for free patterns. Easy way to make half Triangles squares.  Sew on the line and cut on the line it's quick, and it's easy. Please see all the photos. Offering free shipping with USPS first class mail and a tracking number.  Any questions please contact me.