This clever roll will turn your 2 1/2" strips and jelly rolls into 1" finished half-square triangles. Simply layer two fabrics right sides together, pin the paper on top, following the arrows sew on dashed lines using a 1/5 stitch length, cut on solid lines and tear paper away. Full roll makes 630. Triangles On A Roll, half-square triangles, 1" finished half-square triangles, makes 630, by It's Sew Emma.