Ink Calendar is a unique calendar, designed by Oscar Diaz Studio, which uses the capillary action of the ink on the paper. “Ink Calendar make use the timed pace of the ink spreading on the paper to indicate time. The ink is absorbed slowly, and the numbers in the calendar are 'printed' daily. One a day, they are filled with ink untilInk Calendar is a unique calendar, designed by Oscar Diaz Studio, which uses the capillary action of the ink on the paper. “Ink Calendar make use the timed pace of the ink spreading on the paper to indicate time. The ink is absorbed slowly, and the numbers in the calendar are 'printed' daily. One a day, they are filled with ink until