Looking for a smooth transition enter image description here

enter image description here

  • 2
    $\begingroup$ Welcome to the Blender.SE! You should provide more details in order to get useful answer, .e.g screenshot of mesh in Edit mode, how did you model and join meshes, do they have any modifiers. You could upload your blend to get more help with your particular problem. Try to enter Edit mode and remove doubles (select all > W > Remove Doubles). You might want to take a tour to get more idea how to use this site. $\endgroup$
    – Mr Zak
    Commented Mar 21, 2016 at 19:55
  • $\begingroup$ @MrZak I Removed Doubles as you suggested, but the choppy transition stays the same. As for Modifiers I have Subdivision Surface and Mirror active. I joined the meshes by merging vertexes in the center between them. !More images. $\endgroup$
    – Fred
    Commented Mar 22, 2016 at 3:04
  • 4
    $\begingroup$ In Edit mode select all and press Ctrl+N to recalculate normals. Note that they may be flipped instead of becoming consistent, while the goal is to get rid of black faces like on your top screenshot. See blender.stackexchange.com/questions/3606/… $\endgroup$
    – Mr Zak
    Commented Mar 22, 2016 at 10:47
  • $\begingroup$ @MrZak That worked perfectly, the normals was indeed flipped! Thank you very much. $\endgroup$
    – Fred
    Commented Mar 22, 2016 at 15:36

1 Answer 1


Normals was inverted, you can flip normals of selected faces while in Edit mode by:

3D Viewport Header -> Mesh -> Faces -> Flip Normals

If you want to quickly fix all the normals in your mesh, while in Edit mode you can use Recalculate Normals:

  • 3D Viewport Header -> Mesh -> Normals -> Recalculate Outside (CTRL + N)

  • 3D Viewport Header -> Mesh -> Normals -> Recalculate Inside (SHIFT + CTRL + N)

    Why are some faces in my mesh darker?

Thanks to Mr Zak & Thom Blair III

  • $\begingroup$ While this link may answer the question, it is better to include the essential parts of the answer here and provide the link for reference. Link-only answers can become invalid if the linked page changes. - From Review $\endgroup$
    – PGmath
    Commented Mar 23, 2016 at 14:10
  • $\begingroup$ @PGmath Thanks for the feedback, hope it's looking ok now. $\endgroup$
    – Fred
    Commented Mar 23, 2016 at 16:54

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