Hi Gord, it would probably be good to not try and bend the back part around 90 degrees like you are doing. Have it go straight back and then have a separate planar back end to it instead of trying to incorporate that into one single Network surfacing.

Right now you have a very dramatic shift in a small distance in this area:



That's too many things changing all at once - it's going to make a stressed and lumpy shape particularly in the lower area where it's being compressed down to a small area as well.

You can't get a good quality surface with that kind of high pressure shape changes in a small distance.

- Michael