How to design an interior project with a low budget. Lettera9 is little shop dedicated to second hand books. The place is dedicated to bookinist, book collectors and students. The colors palet and the main concept came out as an homage to Olivetti “lettera22” designed by Marcello Nizzoli. This type machine was a must have for few decades and used by writers and authors all around the world. The shop door’s handle reminds to the machine red botton.