Here is an enneper example by James, posted by Pilou :-)

https://moi3d.com/forum/index.php?webtag=MOI&msg=6521.37

James link to the nod file EnneperScaling.nod:

https://moi3d.com/forum/index.php?webtag=MOI&msg=6521.34

Note the complex formulas.

I think this one is an excellent example.
A surface in formed in 3d space.

- Brian

The iso linecurves can be viewed with the MoI iso command.