The Ideas C9382 French curved ruler in cm is the fundamental anatomical measuring and tracing instrument for pattern making and altering clothing patterns. Made of highly durable transparent acrylic with laser-printed centimeter graduations, it combines smooth and sharp curves to draw necklines, armholes, hips, and trouser rises. The material's transparency allows you to see the fabric or paper underneath for easy alignment and seam allowance checks. It is an essential tool for stylists, dressmakers, fashion students, and seamstresses who make pattern adjustments and create bespoke clothing.