French curve rulers, ship curve sets, hip curves are perfect for quilters, designers, draftsmen, artists, pattern makers, tailors, modeling, boat hull design, and more. Our French curves, irregular curves, and adjustable curves are used by architects, engineers, designers, draftsmen, artists, woodworkers, metalworkers, surveyors, carpet installers, law enforcement, model makers, and more. Our aluminum hip curve rulers are used by pattern makers, designers, tailors, and anyone involved in creating garments to draw the numerous contours of the human body. Excellent for measuring and cutting clothing lapels, elbows, skirts, slacks, trousers, etc.