An illustrated journey into the beauty and functionality of metal profiles, the book shows all the expressive power of the aesthetics of the technique. A 1:1 scale compendium of metal profiles, printed in grayscale, with geometric shapes that come to life transforming into narrative forms, engaging the reader and user: it will be easy to glimpse browsing through the 208 pages of the Piccolo Prontuario human faces, animal bodies, complex objects that are part of our emotional baggage.