made of yellow/orange transparent plastic with double faced tracing edge. Set of 3 curves in plastic wallet A French curve is a template usually made from metal, wood or plastic composed of many different segments of the Euler spiral (aka the clothoid curve). It is used in manual drafting and in fashion design to draw smooth curves of varying radi. The curve is placed on the drawing material, and a pencil, knife or other implement is traced around its curves to produce the desired r result.
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