why is this issue happening what can ı do to solve them
Welcome 
…
it could be several reasons… (it also best practice to describe the step to make this or the modiers)…
one could be to tight verticess:
2 Likes
A good way to think about the problem is to imagine the curve of your pipe as a quadrant of a circle. If the radius of that circle is smaller than the radius of your pipe, you will have problems like that.
It must always be bigger.
5 Likes
thanx that
solve my problem
1 Like
1 Like
No sweat…The essence is: it’ solved…
Edit: ahh after been double liked i see: it’s re-solved… 
by whom ? (because Regulars can do this too… but it doesn’t show by whom i could even un-resolve this 
)
1 Like