"Cousin Ricky" <rickysttATyahooDOTcom> wrote:
> "spigor" <nomail@nomail> wrote:
> > Hello!
> > I have created an image with a transparent material getting very thin in some
> > places, and I can see color changes there (marked red in attached). How do I
> > avoid that?
>
> In my experience, transparent surfaces must be separated by at least 0.001 units
> to avoid such artifacts.

Hi
Thank you All for your input, it's much appreciated.
The artifacts disappeared with 0.05 units separation.

spigor

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