On subsurface I'm getting unexpected result like on

enter image description here

but I would like to receive result with smooth surface (not collapsed faces)

What could be wrong in my model ?

  • $\begingroup$ do they meet at one point $\endgroup$ – Chebhou Mar 18 '15 at 9:03
  • 1
    $\begingroup$ This happens around non-quads (faces that don't have exactly 4 vertices). The solution is to add supporting geometry so that the curved surface is surrounded with quads and the tris/ngons are on flat surfaces surrounded by more quads. $\endgroup$ – gandalf3 Mar 18 '15 at 9:06
  • $\begingroup$ @Chebhou yes, they meet at one point. I will check it later, thx for support, $\endgroup$ – Maciej Zawiasa Mar 18 '15 at 11:00
  • $\begingroup$ @gandalf3 ok, I will try to fix it, thx $\endgroup$ – Maciej Zawiasa Mar 18 '15 at 11:00
  • $\begingroup$ @gandalf3 Chebhou (I can only ping one of you :O) do either of you want to answer this so we can take it off the list? $\endgroup$ – Scalia Mar 18 '15 at 17:50

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