Has anyone had problems like this? just previously the modifier works fine but just take look at this enter image description here

enter image description here :(

  • 2
    $\begingroup$ Have you applied the rotation and scale? $\endgroup$
    – Paul Gonet
    May 29, 2017 at 21:57
  • 1
    $\begingroup$ It looks like Z-fighting. Make sure you have no duplicate vertices. $\endgroup$
    – user1853
    May 29, 2017 at 22:14

1 Answer 1


Make sure you apply any previous transformation to your curves/mesh (in Object Mode) with Ctrl+A, in my case, X axis was scaled to zero so naturally it became flat.

I did not realized this all the while thinking the only transform I did was in edit mode.

Hope that someone find this helpful as well :)


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