[Josephus Holt]

Seems like most of the mxm materials in the MXM gallery are "Maxwell Render version 1.x with version 2 material compatibility". These 1.x materials have several BSDF's under a single layer. Can these be used this way or do we need to add layers so than one BSDF is under each layer?

[Bubbaloo]

They work fine for BSDF's blended normally (not additively). You would get the same result if each BSDF was under a separate normal blended layer with the same layer weight as the original BSDF weights.

[Josephus Holt]

Thanks Brian.