Chris B <c_b### [at] btconnectcomnospam> wrote:
> If some mesh normals point up and some point down, then you can get dark 
> bands across the surface.

  That's like saying that if you put a light source and the camera inside
a sphere, all you get is black because the normal vector of the sphere
is pointing outwards.

  The direction of the normal vector doesn't matter (it gets inverted as
needed).

-- 
                                                          - Warp

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