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Ilya Razmanov <ily### [at] gmail com> wrote:
> On 23.09.2025 20:06, Kenneth wrote:
>
> ..or as part of a CSG construction (with the addition of
> > an inside vector to the converted mesh).
>
> STL models, by their nature, must have all sides defined (which makes
> STLs exported by my img2mesh twice as big as POVs, since POVs only have
> a top side). So I guess inside vector may be any.
>
I usually use a single inside_vector <1,1,1> in my meshes, so that its vector
direction is not pointed exactly toward any of the x,y,z axes or planes. This
helps prevent subtle CSG errors that have been known to occur at times. <1,1,1>
is my generic 'safety measure'. ;-)
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