Colored sketch line

Hi all

I'm writing to you because I'd like to know why the contours of my tube ends are colored? And when saving in JPEG, it shows strongly.
Attached is the file.

Thank you in advance.

30x41 Curved 300.SLDPRT (158.8 KB)

That's because it's surface.
Here with the color black we understand better:
image
With the swept boss base function, no more problem:
image

2 Likes

Thank you!!! I understand better :wink: