I'm making some models for a model pack I'm working on, and there are black "streaks" all over my models. There are no overlapping faces, no hidden objects, or any duplicate vertices. The material is a simple diffuse and glossy shader, no texture. I have been stuck for a while, and I have no idea what to do. My mesh is pretty basic and subdivided, with quads only. enter image description here

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    $\begingroup$ Currently it could be a number of things. There are a few things you could try to at least rule out some causes. Try using a solid environment color, and not a texture. Try Removing the material on an object. Try decreasing the viewport clipping distance. If you isolate a single object with Numpad / does it still happen? $\endgroup$
    – Brenticus
    Mar 31 '18 at 2:06
  • $\begingroup$ @Brenticus Thank you so much! The clipping "end" value was set to 3000 feet... I don't remember ever touching that value, but that was the source of my problem. Set that back to 10 and my problem went away. $\endgroup$
    – jkofskie
    Mar 31 '18 at 2:55
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    $\begingroup$ Read this related post: Strange graphics glitch when working with very small units(milimeters) $\endgroup$
    – user1853
    Mar 31 '18 at 3:15

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