moebius(6x) on Linux
The text d6a43215b2a4, as Debian 7 (Wheezy) shipped it.
Escher's Moebuis Strip II, with ants.
Flags it lists
-
-delay -
-fps -
-no-noants -
-noants -
-root -
-solidmoebius -
-visual -
-window -
-wireframe