"Kenneth" <kdw### [at] gmailcom> wrote:

> When I convert it to SMOOTH triangles (the default at your conversion site), the
> cube appears CORRECT as to inside/outside colors. That surprised me.
>
> When I convert it to FLAT triangles, the inside/outside is *reversed*.

I'm going to just speculate that since mesh2 and smooth_triangle both allow the
user to specify what the normal vector is, then perhaps that overrides whatever
normal would be calculated based upon the ordering of the vertices.

- BW

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