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How do I achieve this kind of glass texture?


Guest Dan

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Guest Dan

Ah, well I’m currently using Cinema4D version R25, I have Redshift but haven’t used it yet, so making a normal or PBR material is preferred, so basic, physical rendering.

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OK, in physical render it should be as simple as making a new standard material with only color, reflectance and transparency channels.

 

Color channel should be 3% off black, reflectance should be Beckmann dielectric glass Fresnel with no specular and about 30% reflection level.

In transparency you want to accept defaults, but set brightness / opacity to 98%, IoR model to glass (1.555), and add the brown colour in absorption slot, and set a very low ray depth there, as your glass is not very thick. The lower that value the more dark the colour will be sooner as light enters it. 

 

And that's the other thing. Make sure your model has proper actual thickness in the walls, or light won't behave properly.

 

Lastly, all that is for nothing if there is nothing in your scene for the glass to reflect. This can be other scene components, or lights etc, but most people use an HDRI on a sky object to provide these, which can be hidden from camera or not as your scene dictates, with a compositing tag.

 

CBR

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Guest Dan

That’s great! Thank you very much for the help, I tried other ways but the absorption kept coming back really saturated

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