Here's another practical example that should (hopefully !) settle this ... Now to be fair I would agree that this does indeed require a bit of thought as well as some practical experience to wrap one's head around it ! But at the same time this really isn't anything new, and it becomes really quite self-evident when…
@dimwalker , @DustyShinigami : "Hard UV shells - do you mean assigning different smoothing groups (in max terms) for each shell? Vertices are already separated there GPU-wise so what's the harm in separating smoothing groups too?" Of course I won't blame you for asking a question, but this kind of "what's the harm" stance…