hyperball(6x) on Linux
The text 517ac314aa27, as Debian 3.1 (Sarge) shipped it.
2d projection of a 4d object
Flags it lists
-
-delay -
-install -
-mono -
-observer-z -
-root -
-visual -
-window -
-xw -
-xy -
-xz -
-yw -
-yz -
-zw