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Move Face (offset) includes all geometry at 0.22mm but not at 0.21mm....why?

Question asked by Dan Pihlaja on Jul 16, 2018
Latest reply on Jul 16, 2018 by Kevin Chandler

Ok, reference the pictures below and the SW 2017 SP5 part that is attached.   I am trying to move the face (offset) 0.2mm outward and it doesn't include all the geometry.  But at 0.25mm, the geometry is included.   In fact, I have found the sweet spot to be somewhere between 0.21mm and 0.22mm, as at 0.21mm, the geometry is skipped, but at 0.22mm, it is included again.  I have tried putting the move face in both before and after the fillets that are on the internal corners of the geometry....with the same result.



I have a pretty easy work around: Move the face to 0.25mm and then just trim it back using a revolve cut.  But I was wondering if anyone knew WHY 0.21mm doesn't work, but 0.22mm does.