Hi Bill,
> Michael, It doesn't appear that the sub-d smoothing
> messes up the normals.
Yeah, I don't expect that they would get messed up, just that the original ones probably get discarded and brand new ones created that correspond to the sub-d surface.
In your case there the original hull and sub-d smoothed result are quite close to the same shape so it's hard to tell any difference in normals just by eyeballing it.
- Michael
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