If you’ve ever tried to free-hand draw a person, you’ll know how hard it is to get the proportions right the idea of a fashion sketchbook is that it gives you a shape first, onto which you can draw your garments. Theoretically, a fashion sketchbook could be any pad of paper or book where you draw ideas for garments! However, the key to most specially-designed sketchbooks is that they contain croquis. The word croquis literally translates to 'sketch.' However, in the fashion world a croquis is a body template from which you sketch.