Nazca or Nasca Lines

Isolines Art Illustration: Nazca Lines: the Hummingbird.

Nazca Lines: The Spider. iPad Apps: iOrnament.

Nazca Lines: The Monkey. iPad Apps: iOrnament.
The Art of Symmetry according to the rules of the 17 crystallographic wallpaper groups..

Nazca Lines: "The Needle and Thread"
Size comparison with the Empire State Building .

Nazca Lines Trapezoids, HTML5 Animation for iPad and Nexus.
HTML5 Animation for iPad, Samsung, Nexus