Interesting shader setups.

I have been playing around with SSS setups that render fairly fast, which isn't as easy to do as it first seems. Some SSS setups wash out tattoos as well.

One thing that is missing from a lot off SSS setups is detail. SSS likes to wash out a lot of the detail. You can get around that by using other maps, bump, etc. But that can cause the render to take a lot longer depending on the size of the maps in memory. Just the body texture you see in this image over 200meg in memory, (8Kx8K). The head texture is 8kx8k as well.

With textures that big, it is much faster to use procedurals for bump, etc. This is even more important if you are using P9 (32bit) or a system with only a few cores.

This may not be the best SSS setup in the world, but it renders fast and still has a lot of detail. You may not get the same results at first because it is not set up to auto set the spot colors attached to the main texture. So you will have to play around with 2 spot shaders attached to the main texture to vary the results.

My units are in inches, so if you are using another unit you will have to adjust some things accordingly.

If you are using the skin shader and need red bleed from the SSS you will have to change the SSS node from Skin 1 to Skin 2. You shouldn't get a huge seam when doing so, if you do you need to play with the spot colors to hide it better. Moving the spot system to the other side of the SSS node changes that as well.

This is rendered with 4 lights, depth mapped shadows, envirosphere, and a wall prop.

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