Quote:
Originally Posted by tbd
And I must say I as well miss an option that selects inverted surfaces.
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Yeah, I've thought about that one, too... I contemplated writing a plug-in, but I'm not sure if it's mathematically feasible on anything other than closed, convex shapes. On a closed convex shape, you could look for intersections between the polygon normal and other surfaces to determine which direction was "inside". But on a flat wall that wasn't closed, how would you know empirically which way it is *supposed* to point?