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Using Cycles I rendered a object inside a tube (it's glass material). The problem is the object edges are striped as shown here:

enter image description here

The same thing happened for another project too:

enter image description here

In the first render I tried different options but the issue is still there. Is there any way to fix this?


marked as duplicate by Duarte Farrajota Ramos, Ray Mairlot, X-27, David Nov 4 '18 at 22:34

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  • $\begingroup$ Is the glass object shading smooth or flat? $\endgroup$ – Samir Rahamtalla Nov 3 '18 at 15:52
  • $\begingroup$ shading is flat $\endgroup$ – GhostofHacker Nov 3 '18 at 15:54
  • 1
    $\begingroup$ change it to smooth and test again $\endgroup$ – Samir Rahamtalla Nov 3 '18 at 15:56

Make sure the object with the glass material has smooth shading. You can change the shading of the object from the default flat shading by pressing Space and search for "Shade Smooth"


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