How Big is a French Curve? The French curve is an important pattern instrument especially in drafting and design which is best used where shading curves cannot freely and neatly be drawn with use of compass or free hand. This versatile yet elementary tool is utilized daily by designers, architects, artists, and engineers to provide clean, precise, and sophisticated looking work. But one question often arises: how big is a French curve? About this it is important to define the variety, differentiations and uses of French curves in diverse disciplines, to discuss main questions of why the size of French curves is crucial and how it defines inspiration and accuracy. Dimensions of a French Curve Standard Sizes French curves really can be that small and can also be larger templates that are part of the system. Depending on the design, size and the type of French curve it can be from 5 to 12 inches or even slightly more. The small ones are handy when doing detailed work, and the large o...