It is not easy to translate into English the Italian word autoprogettazione. Literally it means auto = self and progettazione = design. But the term ‘self-design’ is misleading since the word ‘design’ to the general public now signifies a series of superficially decorative objects. By the word autoprogettazione Enzo Mari means an exercise to be carried out individually to improve one’s personal understanding of the sincerity behind the project. To make this possible you are guided through an archetypal and very simple technique. Therefore the end product, although usable, is only important because of its educational value. A project for making easy-to-assemble furniture using rough boards and nails. An elementary technique to teach anyone to look at present production with a critical eye. The first edition of the book was compiled by the Duchamp Centre and printe for the exhibition at the Galleria Milano in 1974.