Sweep ignoring corners?

 From:  Michael Gibson
2183.4 In reply to 2183.1 
Hi Duke - currently 1-rail sweep will not do the mitered corners that I think you're looking for there. It is something that I expect to be adding in later on in v2 though.

Check out here for an alternate approach for now:
http://moi3d.com/forum/index.php?webtag=MOI&msg=428.12

- Michael