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Anti-Distinctlyminty

Subsurface Scattering on Instances

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The SSS material seems to act differently depending on how it's implemented. The attached image shows the exact same material used in 3 ways:
Having the cell and duplicating the villi using a copy SOP in the same geo node. This produces the nicest result.
Having the cells in one node and the duplicated villi via copy SOP in different geo nodes.
One geo node for the cells and another for instancing the villi.

So, the question is: Why does the shading look different in these situations? Is there a way to make the instances look like the 'All in one SOP' version you can see in the attached image?

SSS_Inst.gif

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well, it make sense to me that the light would scatter differently depending on whether or not the spikes are attached to the sphere.

 

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probably just need to put everything into the same object.  use packed prims instead of instances (same efficiency) and keep in the same geo.  see if that gives a better result.

 

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