This tutorial we will learn how to set up a Shading Sub Surface network in Vray for Maya using the Fast SSS material and a system of blends and coats.
Creature Shading Sub Surface Materials in Vray for Maya
You can create a subsurface scattering effect with your StingrayPBS node by using setting the floor as opaque and placing the Density characteristic to much less than.
Assign a StingrayPBS shader on your object, and choose Custom beneath the Preset Material drop-down listing to create a new ShaderFX graph.
Select the Standard Base node, and set the Blend Mode to Opaque.
Create a Material Variable node.
In the Attribute Editor, set its Type to Scalar. You can optionally rename the node to Subsurface Scattering for more readability.