Issue Understanding Why Sweep2 or Loft Won't Work on My Triangle Edge Based Operations

Hi All,

I am trying to troublehsoot why I can't get sweep2 or loft to work on my edge based operation on a triangulation. The form I am trying to produce is a bent triangulated panel like so:

But it seeeeeeeeeems to be borrowing edge references from adjacent triangulated panels. All lists referenced are grafted.... I just don't understand where the lists are going wrong here. It seems like a simple 1-1-1 operation. Merge > Partition > Loft does about the same thing.

And then what it produces is this: