SSS2 requires solid geometry?

[simmsimaging]

Do you have to have a closed volume for the SSS2 material to work properly? I have been testing on a shape that has some openings, but no wall thickness, and with the same shape using the Cap Holes modifier. It seems the same either way, but wanted to verify that it did not matter.

Will it work the same way as long as there is no wall thickness (i.e Shell modifier) on the object?

Thanks in advance,
b

[vlado]

The back scattering will probably not work, but it should be fine otherwise.

Best regards,
Vlado