How make that ?

 From:  Michael T. (MICTU_UTCIM) 7 Dec 2012  (7 of 75) 
5590.7 
Hi blowlamp, there is also vertex blend in ViaCAD for corner radii.

Michael T.
Michael Tuttle a.k.a. mictu http://www.coroflot.com/DesignsByTuttle