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I made a scene of two wine glasses on a flat surface, with an overhead light source. For some reason, when I'm viewing the objects as solids, there are strange shading artifacts that appear on all the objects. The planes do not always show the issue; you can see on the perspective on the left, the overhead plane looks normal, but in the perspective on the right it's entirely black (side note, it's an emission plane). These shadows do not appear in other object viewing modes (wire frame, materials). I'm running Blender 2.71 on a MacBook Pro with OSX Mavericks. This is my home computer, and at my work computer, which runs Windows XP, I don't have this issue ever. I'm very new to Blender, so it may be a simple fix, but I don't understand the program enough to understand what's happening and where to look to make the fix. Any suggestions would be greatly appreciated!

strange shadows

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  • $\begingroup$ It looks like a normals issue, but if the same file works fine on another computer, then it sounds more like a hardware/platform specific bug. $\endgroup$
    – gandalf3 ♦
    Aug 11, 2014 at 20:19
  • $\begingroup$ I haven't tried the same file on my work computer, that might be a good way to check though, thanks! $\endgroup$
    – grrothman
    Aug 12, 2014 at 0:00

1 Answer 1

Reset to default
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There are 2 possible reasons:

Flipped normals The repair of this is simple: select "bad" object, enter edit mode, press tab, and select all vertex A and recalculate normals, ctrl N.

Something bad in options The easiest repair is just wipe the options. (file -> load factory settings)

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  • $\begingroup$ The normals repair fixed it, thanks! Is there a way to make sure this doesn't happen again in the future? Like a default option to set or something? $\endgroup$
    – grrothman
    Aug 12, 2014 at 0:04
  • $\begingroup$ @grrothman Nope, this occurs in all 3d, as long as you manipulate mesh data, there exists the chance that faces and normals will get flipped etc. You should incorporate Ctrl + N into your workflow. (something I do as often as saving). See the answers on the duplicate post for more info. $\endgroup$
    – iKlsR
    Aug 12, 2014 at 1:19

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