I'm trying to create a drawing that has a sheet metal part (multibody sheet metal, modelled in context) When I enable the flat pattern the bend lines are not near the middle of the radius. It creates an impossible shape. When I suppress the closed corner the bend lines are where you would expect them to do. Is there a work around?

First image shows the model with closed corner suppressed.

The second image shows the problem.

On a side note when I collect the bends manually it shows the correct flat pattern. However there are no bend lines.

Hope someone can help.