What I really want to do is to be able to turn something on the Jet lathe. I can be as organic or geometric as I want.

Then mount this on the rotary and probe an area or shape I want to CNC. Bring that point cloud into software, create a surface from it.
A far simpler method would be to create the shape in CAD, and skip the probing - point cloud - convert to surface steps. Then let the machine do the whole thing in one shot.

Lathed shapes are probably the easiest to model in CAD, as you just draw the profile and revolve it. And you'll be working with something far easier to deal with then something created from a point cloud.

Unless of course, you don't know what shape you want until you start creating it at the lathe.