I seem to remember there's some good stuff from Pixar on contouring which might be helpful. http://graphics.pixar.com/library/Contours/paper.pdf http://graphic

I seem to remember there's some good stuff from Pixar on contouring which might be helpful. http://graphics.pixar.com/library/Contours/paper.pdf http://graphics.pixar.com/library/Contours/paper.pdf