Diaz's Ink Calendar, originally conceived for an exhibition around the theme “Gradually,” curated by his former RCA tutor Martino Gamper. “A huge amount of research went into this project,” says Diaz. “I think I went through 60 different paper stocks and inks to make it work the way I needed it to. But I had less than 30 days to make it, so I couldn’t test it for a whole month!”