Hi David, so you have the problem with just one particular surface?

If so could you please post it as an attachment here, or e-mail it to me at moi@moi3d.com ? That would help me to be able to better analyze your problem.

Possibly if your loft is twisted or bunched together, or folded back on top of itself it could make for bad looking areas inside of it.

But normally you should be able to see such bad areas like that in the MoI display as well.

- Michael