kaleidescope(6x) on Linux
The text 944786ee7373, as Debian 10 (Buster) shipped it.
rotating line segments
Flags it lists
-
-bluemin -
-bluerange -
-delay -
-fps -
-global_rotation -
-greenmin -
-greenrange -
-install -
-local_rotation -
-nsegments -
-ntrails -
-redmin -
-redrange -
-root -
-visual