Sorry i have not yet seen your examples so maybe that is out subject...

You have a marvelous thing for animate anything along a path inside moi! :)
By r2d3! http://moi3d.com/forum/index.php?webtag=MOI&msg=7777.878
https://moiscript.weebly.com/elephant-systegraveme-nodal.html

No need to know how works Elephant! From that i remember! ;)
You have just to replace the objects and curves!
I will remake one for be sure!

Fractal is not it! :)