Anyway, the sketch shader has 9 shaders, all of which are quite awesome. I've been trying to mod them to include a pop-dots style shader, but without much success.
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The picture links are dead, though the site is still up. I have the blend file tucked away somewhere.
Here is another one by blenditall, its got the nodes setup, but I can't seem to get it right, I think it relies on lighting a bit as well.
() here are some pictures, including the node setup:
