Hi Don, can you post your .3dm model file to test with?

For lofting, the Loft style = "loose" option can be good with an end point that is in the same plane as the last loft profile. See here for some examples:
http://moi3d.com/forum/index.php?webtag=MOI&msg=7766.3
http://moi3d.com/forum/messages.php?webtag=MOI&msg=6082.6
http://moi3d.com/forum/index.php?webtag=MOI&msg=6329.2
http://moi3d.com/forum/index.php?webtag=MOI&msg=6576.8

But it's best do that for the whole shape and not just a separate small area.

- Michael