How to create this contour form ?

 From:  WN
10161.16 In reply to 10161.6 
Hi Kwin.
From your file, I made a solid body, there is a video of this process at the link, if you are interested, you can watch it.

https://disk.yandex.ru/i/EF7lFPNW9xewag
Image Attachments:
Size: 367.8 KB, Downloaded: 9 times, Dimensions: 1907x1072px