Figured it out :). Each straight edge has to be selected as an individual curve as opposed to continuous tangent curve/edge. Close corner can be checked with open option or left unchecked altogether depending on what you need. Also make sure that miter inside corners as necessary is not checked...
thread561-243245
I have tried and failed to create a contour flange with the sketch profile (incl pic). Is it possible to create a contour flange along a tangent edge as a single step in NX5? I sometimes get it to work but only along one edge, get errors otherwise. Tried messing with all...
