© Gianni Wise, 2012-18

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Turtle inversion, Graphite and conté on acid-free paper, 1.8 x 1.5 m

From the original Turtle Geometry, Computer Assembly Language
dot-matrix computer paper based on an early algorithm developed by
Hal Abelson, a professor in computer science department at MIT.
Abelson has been a founder and director of such public interest groups as Creative Commons.