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enter image description here

When rendering using cycles the hair mesh overlaps with the face mesh and a black line appears.

How do I get rid of the black line?

Updated: Wire frame view

enter image description here

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  • $\begingroup$ looks like that is a single hair . Go to particle edit and cut that single hair $\endgroup$ – atek Oct 13 '17 at 11:06
  • $\begingroup$ I'd say that character mesh shouldn't consist of several disconnected parts like hairs, ears, head, neck and stuff. It's usually done as one mesh (which is more complex but will let you avoid problems down the road like this in the question) $\endgroup$ – Mr Zak Oct 14 '17 at 12:38
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Your hair mesh is going inside the face and due to that line is showing while render.

you may edit the hair mesh and pull outside few vertices to remove this line. So while you are in edit mode Edges should look like this:

enter image description here

Updated: Problem area is seems to be here:

enter image description here

These 2 vertices are going under the face mesh.

I cant reproduce the black line though, but here is how it might be issue and fix

Problem:

enter image description here

Grab these vertices : enter image description here

Move vertices out of the face like this: enter image description here

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  • $\begingroup$ when apply physics to hair and move slightly. sometimes the hair mesh is going insde the face. How do I make the black line disappear when the meshes intersect? $\endgroup$ – Super Beginner Oct 13 '17 at 13:52
  • $\begingroup$ Please upload a wire frame view. You may hit Z key to get this view $\endgroup$ – Blender For You Oct 13 '17 at 15:14
  • $\begingroup$ wire frame view uploaded. $\endgroup$ – Super Beginner Oct 14 '17 at 3:13
  • $\begingroup$ Please have a kind look to updated answer $\endgroup$ – Blender For You Oct 14 '17 at 4:44
  • $\begingroup$ Welcome, I am glad it worked for you. Thank you very much for accepting answer :) $\endgroup$ – Blender For You Oct 14 '17 at 12:18

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