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Peter Brennan avatar image
Peter Brennan asked ·

Arnold glass is coming out a black/silver colour

Hi, I am re-rendering a 3ds Max 2020 scene using Arnold 3.2.65 but the glass is coming out a black/silver colour. The original render was done with VRay and the glass is more natural-looking. I have tried the Standard Surface Material and added the Arnold properties modifier and cleared the Opaque checkbox and also the Physical material with the Solid Glass preset which has a slight improvement but both are dark. Does anybody have a solution for this? Thanks, Peter.


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arnold-glass.jpg (46.8 KiB)
vray-glass.jpg (17.6 KiB)
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Lee Griggs avatar image
Lee Griggs answered ·

Transmission samples should only be used for glass with rough refraction, but your glass doesn't appear to have or need that? Did you try the default glass preset?

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Peter Brennan avatar image
Peter Brennan answered ·

Think I solved by increasing the Transmission Samples to 20 in the Arnold Render Dialogue. It looks ok in the Render Preview Pass.

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