I'm trying to make a model with 2 loft surfaces like the images below.
Even though I use same curve, there exist a gap between those surfaces.
the 2nd figure below is the model seeing from one side, and I can see the red surface outside.
how can I avoid it? It's gonna be a problem when I put this model in to the mesh generating software.
I cannot make a good mesh because of this gap.
thanks for any help.