I started with a large polysrf composed mainly on triangles meeting at different angles, exploded it and offset the individual srfs, now I need to create a new polysrf by extending and joining all of these srfs together.  Essentially it needs to be the same polysrf but larger by the offset distance. The original joined polysrf will not offset properly, I've tried JoinEdge, ConnectSrf, MatchSrf, E…