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Here is the code:

Export["~/Downloads/1234.pdf", Graphics3D[{Lighter[Black], Opacity[0.5], 
   Polygon@Table[{Cos[x], Sin[x], 0}, {x, 0, 2 \[Pi], 0.01}]}]]

in version 8, I get

enter image description here

in version 9, I get

enter image description here

why the color is different and also there are gridlines in the plot? Is there a way to fix the color and the gridlines in version 9?

share|improve this question
I think you'll find possible answers here… and here… – bill s Jun 19 '13 at 4:35

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