xspirograph(6x) on Linux
The text e550c08b13b5, as Debian 11 (Bullseye) shipped it.
simulates the rotation of a disk inside a circular rim
Flags it lists
-
-alwaysfinish -
-delay -
-install -
-layers -
-noalwaysfinish -
-root -
-subdelay -
-visual -
-window