Substance plug-in to Arnold

I created a shader tree to convert albedo/metallic/roughness outputs to Arnold standard shader inputs.
You can download the project here:

Test scene content:
a few mesh
substance (sbsar file from Substance Share)

Arnold’s color management settings:
Display Driver gamma: 1
Lights: 1
Shaders: 1
Textures: 2.2

More info about that:

I used a ramp node to convert the metallic map into an IOR map. (Please use Fresnel everywhere. This is far more accurate than reflectance at normal workflow.)
lowest value: about 1.5
highest value: 13 (silver)

Don’t forget to update your Substance plug-in.

Cheers, D

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