PI-carpet
Christa Schmidt (Germany)

Pi

The carpet (3.14m x 3.14m) represents the first 2.500 decimal digits of Pi. Тhe shade of every square stands for 1 digit.
(SQUARE WORLD pattern, basic representation of MAGIC PIWORLD project, HAEL YXXS & JVSchmidt, 1998).

Published on JVSchmidt site.