Having a bit of an issue, just messing around with some game models. And whenever I apply a glossy shader it renders black, just for the car/tires model (pre modeled). Any other objects (newly created) render the glossy just fine. I have a plane with an emission shader as well in the scene.


EDIT: .blend file

enter image description here

  • 1
    $\begingroup$ That's because of custom split normals, related. Once they're deleted / unused the model looks as expected. Although I'm not aware of a way to render that car as glossy and have split normals used (if they are needed for some reason). $\endgroup$
    – Mr Zak
    Oct 23, 2016 at 18:51

1 Answer 1


Deactivate autosmooth in data tab and it will be ok.

  • $\begingroup$ This works as well, along with clear custom split normals. Thank you as well! $\endgroup$
    – Mike
    Oct 23, 2016 at 18:56

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