Hi Billabong,

re:
> I'm sure this is a really dumb question, but is it not viable for you to create
> your own xnurbs instead of relying on a third party?

It could be possible but that type of surface fitting is a finicky area of work. It tends to be difficult to avoid oscillations.

It's hard to accurately estimate how much work would be involved, my initial guess is maybe 5 to 10 years?

- Michael