V2: Sweep or network?

 From:  Sirius (ANDREASDR)
4541.1 
Hello,
from the curves in the attached project I want to create a sweep by the body.
Like on the picture attached picture.
But I do not get out!
Sweep is correct?
Or should I use network?
Attachments:

Image Attachments:
Size: 22.1 KB, Downloaded: 69 times, Dimensions: 181x174px