On Tue, 8 Jul 2003 19:42:42 +0200, "Jaap Frank" <jjf### [at] xs4allnl> wrote:
> I think ABX is suggesting that there is no definite front or
> back side and this correspond with my example file.

What I'm suggesting is that you shouldn't rely on such definition because of the
nature of triangle.

> Did you try this file?

No. Because assuming the reference I posted I would drop it and use
"workaround". What about plane with well defined inside clipped_by union of
three planes to form triangle (+ manually bounded_by). Do you need more
triangles? IIRC mesh{} can "find" its inside using inside_vector.

ABX

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