manufactured of rugged, yet light-weight aluminum that resists breaking. Even with daily use or under severe conditions, they will provide a life-time of service.kearing curves are essential tools for fashion designers and patternmakers. The curve stick is used to develope and draw lapel, elbow, skirt, trouser or any special contours. The vary form curve draws a wide range of curves by simply turning. It is especially useful to the patternmaker in drawing arm holes, sleeve caps, necklines, collars and in adjusting waist and crotch fit of garments.