On 9-6-2013 11:16, MichaelJF wrote:
> Thanks Thomas, that explains the effect. But it means 0.00003 < epsilon. I had
> assumed it smaller. The actual value seems to be ok for most scenes. A smaller
> value might result in a severe prolongation of the render times. Best would be
> an option within the global settings.

For most scenes indeed, there is no problem. A global settings option 
would be a good alternative.

Thomas

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