A first try at making part of an object “circular”. I usually try to start with something simple, and then update it to handle different/more complex scenarios.
Hat tip to Gustavo E Boehs, I got the idea to try this after watching his video.
I take cluster of points:
In the Move to Circle compound, I just move the points onto a circle on a specific plane (here, the XZ plane):
MX_Roundish does a lot more, but it’s a compiled operator. I’m just using a few ICE nodes 😉
eX-SI 
no to using 2.201 – mod your vector maximum example. Then it becomes reusable.
Hi
That scalar node (2.201) is effectively the same as a Pass Through node…the actual value comes from the compound PPG.