I’m getting some prepass artifacts on my SSS material, see the red dots in the image. This render was done with quite high settings using brute force and prepass rate 0 in the SSS material. How can I get rid of them?
The glassmaterial has dispersion on. SSS had 8 subdivs and 5 depth. Prepass blur 1.2. Scatter GI on.
My guess is that you will need more subdivs for the sss, but it would be best if you post the scene here or send it us at vray@chaosgroup.com so that our support guys can take a look.
Best regards,
Vlado
Thaks for the reply. I use 1/20 DMC subdivs with 0.003 threshold. If I understand vray correctly I need to set the material subdivs to 40 to double the possible secondary rays?
Anyway, I have sent the file to you guys.
Something like that, yes 
Thanks for the file, will look at it.
Best regards,
Vlado