Oscar Diaz’s Ink Calendar uses capillary action to suck ink across the numbers embossed on the page, one day at a time, gradually coloring itself in over the month.
Source: Boing Boing
Oscar Diaz’s Ink Calendar uses capillary action to suck ink across the numbers embossed on the page, one day at a time, gradually coloring itself in over the month.
Source: Boing Boing
