Ken wrote:
> I can't think of any other way to> have two opposing sides of a flat surface connected to each other.
How about a muebius strip (spelling?), the band with only one surface.
Perhaps the problem is that if you interpolate normals pointing to
different
sides of the surface there will exist a point on the triangle with the
normal <0,0,0> which of course messes things up....
/ Mathias Broxvall
