cubetwist(6x) on Linux
The text e9f7e3d3a634, as Debian 12 (Bookworm) shipped it.
A series of nested cubes rotate and slide recursively.
Flags it lists
-
--delay -
--displacement -
--flat -
--fps -
--no-flat -
--no-fps -
--no-spin -
--no-wander -
--no-wireframe -
--root -
--speed -
--spin -
--thickness -
--visual -
--wander -
--window -
--window-id -
--wireframe