I guess I did oversimplify a bit when I wrote that the template isn't ideal. It is, but we rarely (never?) see it implemented perfectly. We usually have a base shape (a car or trailer) that doesn't match the template. The template is often applied in 2D and assumed to give the right shape (of a tail or other feature) and, as has been mentioned, that isn't enough. And neither is attached flow. That state it better?
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