The metaphysics of the triad

1st run: photolitho plate (yellow)
2nd run: photolitho plate (cyan)
3rd run: photolitho plate (magenta)

4th run: ball ground plate (blend: yellow/brown)
5th run: stone (black)
6th - 8th runs: polyester plate on hosho (light, med., dark greens)
9th run: polyester plate (red orange)