If you don't know how to paint with watercolors, that's no problem. You can have the AI do the work for you just this once. The main thing is to start in SH3D. Remember the correct order for any final step: first SH, then whatever you want in the AI. Not the other way around.

1.SH3D


2.AI


3.watercolor


1.SH3D


2.AI


3.watercolor
[B-)] [:D]