Secondly, the method emphasizes . Line Jaque’s approach is not merely about copying standard sizes but understanding how different parts of the body relate to one another. For instance, the method teaches how to adjust the bust point or the back waist length in relation to the overall height. This focus on anatomical proportion ensures that the resulting garments are comfortable and flattering, moving with the wearer rather than restricting them.
Born Jacqueline Carpentier in Paris in 1916, Jaque spent her life perfecting a method of "flat pattern making" (la coupe à plat). This technique allows designers to create 2D patterns that translate perfectly into 3D garments by using precise measurements rather than trial and error. In the early 1950s, she began sharing these "lessons in couture" through the popular magazine Femme d’Aujourd’hui
The method is designed as a complete teaching curriculum. It is widely used by: