Looks like a lot of fun. I can imagine my kids "printing" tattoos on themselves. :-)
How about mini-graffiti?
You know how when you're painting a piece of furniture and then you finish but you've still got a paintbrush laden with nice red paint, or whatever, and you look around for something else to turn red? That's how I'd feel with one of these printers.... Hmm, what else can I put my business card on? ...... ;-)
-- gary_c
