Quote Originally Posted by tkamiya View Post
It's an art project, not a science project, right?
Actually, yeah. And as for 'the viewer' not recognizing the process, this thing will be viewed almost exclusively by my tutors and peers at art school, so they will understand the process of DIY development.
Thanks a lot to everyone for your suggestions. It is as I had feared—if I want to do this right, it'll take ages. So I'm going to go ahead and fake it. I'll try both watercolor and food coloring, and keep you guys posted on the results.