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P-137, "graph pattern", four plotter drawings ink on paper, 50cm x 50cm each, 1973

P-136, 1973 - Studies for P-137

© 1973 by Manfred Mohr

About the algorithm:
P - 137:
Each drawing consists of two overlaying related structures. The first structure is a grid which forms a matrix of squares. The second structure is formed by moving the four sides of each of these squares within its square according to global systematic rules. Different global patterns are created by defining the amount of movement of the sides within each squares.
P-136 left:
Linear transformations of lines of one square over grid of 3x3 squares.
P-136 right:
Linear transformations of lines of a square where the path of transformation is shown, rendering it black.

First published:
This series of drawings of this algorithm, P-137, were published in:
Ordinateur et Creation Artistique, Les Cahiers SESA, Catalog Espace Cardin, Num. 5, Paris, Oct. 1973
Catalog Manfred Mohr, "Drawings Dessins Zeichnungen Dibujos", Galerie Weiller, Paris and Galerie Gilles Gheerbrant, Montreal, 1974