A surface is two or more adjacent faces that together form a curved or contoured surface. These are examples of what is called a surface in SU talk. Obviously, this means you can’t Push/Pull the surface of a cylinder or sphere since those aren’t faces. A face is the thin, thin skin stretched over a series of edges (lines) that form a coplanar, closed loop.Ī face may be bounded by straight edges or by curves, which is to say that the face can be any 2D shape whatsoever, provided there are no gaps, no intruding edges, and, of course, all points on the face are coplanar. Ok, I get it… it wants nice straight lines to push/pull.
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