A little suggestion

 From:  Ralf-S
3206.17 
Rhino V5 beta (2D)

As far as I know with 3D CAD Software, like SWX, Inventor, SolidEdge, Alibre...., it is only important in the 2D area - Projection: First Angle or Third Angle

EDITED: 30 Dec 2009 by RALF-S

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