I have recently imported my new base mesh for my model from maya. I tried to apply materials but even with the default mat, i could still see through my mesh. this happened with several quads around my model. i went on edit mode in blender and checked the mesh and i saw these unusual black edges in the areas the issue happened. i have no idea how to fix this, i just assume that my mesh has some problems with normal faces. last time i checked my mesh didnt have any overlapping verts or edges. Please help me resolve this problem. enter image description here

Here's the mesh i just uploaded to blenderexchange:

  • $\begingroup$ are you 100% sure there are no double vertices, distorted edges, or maybe the mesh is open? Perhaps you could upload your .blend file here blend-exchange.giantcowfilms.com and edit the question to add the link. $\endgroup$
    – Luciano
    Nov 11, 2019 at 13:14
  • $\begingroup$ @Luciano i have just uploaded the blender scene. please have a look to see the issue. i didn't include any material though $\endgroup$
    – AdrianV
    Nov 11, 2019 at 14:41

1 Answer 1


The black edges are normal edges, while all teal edges have the sharp flag set. So just select all edges, and open the edge menu with Ctrl+E. Select Clear Sharp, or Mark Sharp, depending of what you try to achieve.


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