just helping out someone with another simple request...
http://forums.cgsociety.org/showthread.php?p=8330272#post8330272
Rig is extremely basic for illustration purposes.
Installation:
https://knowledge.autodesk.com/support/3ds-max/learn-explore/caas/CloudH…
Then can be found in modifier dropdown list.

Of course, if you want to tweak your rig with only a few shutter leaves so scene is not cluttered, then specify your own Angle as 360/Your Final Leaf Count
By vusta · 2017-08-16