Triangles on a Roll - Half Square Triangle Paper 50ft Rolls for Accurate, Easy Piecing Sew accurate half square triangles with ease using Triangles on a Roll. This 50-foot roll is designed to create 200 perfectly sized finished HSTs, eliminating measuring, marking, and trimming from your piecing process Simply layer two fabrics right sides together, pin the paper on top, stitch along the dashed lines, cut on the solid lines, and tear away the paper to reveal crisp, consistent triangle units. Whether you're making full-size blocks, scrappy borders, or sampler quilts, this size is versatile and beginner-friendly. A must-have for precision lovers and time-conscious quilters alike!