3 'Curves' tracing rules
Set of 3 rulers for drawing curves: 32 cm, 17 cm and 14 cm.
The parrot ruler or tracing gunis a drawing instrument allowing todraw curves. They are mainlyused 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: trace the new curves after removing (or adding) the necessary centimeters for the waist and hips, for example.
BOHIN offers you this set of 3 'curved' rulers of different sizes allowing you to have more or less deep curves, S-shaped curves, etc.
Made of durable plastic, these sewing parrots will greatly help you in making your patterns.