While working on the texture of a model I found a problem with my render.

enter image description here As you can see here the mesh outline for the eyebrow can be seen and everything I've tried, I just can't seem to fix that one thing.

I used Blender Cycles and Blender 2.78.

Edit: Packed textures in .blend file.


Well I am stumped. It doesn't seems to have a solution apart from pulling the eyebrow geometry slightly away from face. It seems the intersection created by the 2 meshes is causing the black lines.

Other things I've tried:

  • Alpha Premultiply/Straight settings
  • Render bounce and transmission settings
  • Turning off all ray visibility expect for camera rays
  • Texture clipping settings
| improve this answer | |
  • $\begingroup$ Also scaling object up seems to resolve it. Why though - I don't know. $\endgroup$ – cgslav Feb 10 '18 at 19:45
  • $\begingroup$ Thanks for the help everyone, just pulling the geometry 0.00001 on the Y-Axis is enough to fix it. $\endgroup$ – Volkite56 Feb 10 '18 at 20:19

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