Direction of surface After unrolling

Hi, after unrolling surfaces ( cushion with Top/sides / down. I’ve got some surfaces with direction up and another down. Before unrolling all the directions are similar ( towards exterior). I don’t understand why.


CUSHION TEST.3dm (187.2 KB)

I didn’t follow your other thread and don’t know if it matters but your cushion is not a “Closed Brep”.

thanks a lot for your comment. I still a beginner because I don’t check this at each time. I have to do it .

my V2 is closed …
COUSSIN V2 CLOSED.3dm (165.3 KB)