Ink under paper

A backlit sheet of paper reacts to each of the physical contacts brought to it: it fills up with a digital ink, which spreads over the entire surface until the sheet itself disappears.

Ink under paper plays on the interdependence of paper and screen, concretizing the idea of ​​a “digital material” modeled by an algorithm that reproduces the physical effect of absorption.


  • Client: ETOPIA Center for Art and Technology (ES)
  • Creation: Chevalvert, 2017
  • Contributors: Stéphane Buellet, Arnaud Juracek, Julia Puyo

Fact sheet

  • Hardware: Infrared multi-touch frame, screen
  • Software: Processing
  • Materials: paper
  • References: inspired by the Maze Generation algorithm: Hunt-and-Kill algorithm