Turtle inversion, 2016
 

Gianni Wise, “Turtle inversion I”, 180x150cm, 2016, lead and carbon media on Saunders Waterford 310gsm. Image courtesy the artist

Gianni Wise, “Turtle inversion II”, 180x150cm, 2016, lead and carbon media on Saunders Waterford 310gsm. Image courtesy the artist

 

 

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 the computer science department at MIT.
Abelson has been a founder and director of such public interest groups as Creative Commons.