Curved plastic rulers

The parrot or tracing gun is a drawing instrument for drawing curves. They are mainly used in two cases: When creating a pattern from a pattern guide. For a bodice, trace the armhole through the 3 points defined by: the shoulder, the underside of the armhole and the middle of the armhole. When adjusting a pattern: the new curves are drawn after removing (or adding) the necessary centimetres for the waist and hips for example. BOHIN offers you this set of 3 different sizes allowing you to have more or less hollowed curves, S curves...resistant plastic these sewing parrots will help you greatly in the realisation of your patterns.