I stumbled here looking for the subject and went through the various tuts. My method derived from TIG's, but varies (TIG left, mine right).
[image: G93D_mobius-2.JPG]
I just happened to erase the faces of one of my strips and see that the edges remaining are 8 arcs! Surprised me, anyway. Someone can do something with that, I'm sure.
[image: nzS2_mobius-1.JPG]