crystal(6x) on Linux
The text 052ddb94a249, as Debian 12 (Bookworm) shipped it.
kaleidescope.
Flags it lists
-
--cell -
--centre -
--count -
--delay -
--fps -
--grid -
--ncolors -
--no-cell -
--no-centre -
--no-grid -
--nx -
--ny -
--root -
--visual -
--window -
--window-id