Hi......I'd like to ask about main hoop bending when we bent the main hoop like cad model we got two main hoop but we face problem in image (1) when we bent it we got bending right in the middle of main hoop like pic which doesn't exist in cad model ; when we try to bend it again like image (2) we got reduction in the diameter like pic the reduction about 2 mm * in the black circle* So Is one of them acceptable ??
main hoop 1.jpg
main hoop 2.jpg
main hoop.jpg