Transparent quilting ruler designed for cutting smooth circles and decorative waves. Includes seven arcs for 5, 8, 11, 14, 17, 20 and 23 cm circles plus two wavy edge guides for free‑form quilting lines. Ideal for appliqué shapes, background pieces and stuffed puffs; best paired with a small 18 mm rotary cutter on a self‑healing mat. Clear markings are easy to align and the durable acrylic stands up to repeated use in sewing rooms and classrooms.