So, it drove me to see if I could create something with Blender - and continue on my slow learning process of the new version of Blender with all its idiosyncrasies**.
So here is my example using something from Blender and two lines of code I stole from Wingy’s example.
Now if I can just figure out the animation code he uses …
** With Blender, it used to be that selecting a row/ring of vertices used to be Alt + Click, but in Blender 2.81, it went to Double LClick, then in 2.82 it is back to Alt+Click. I go slowly mad