Some other random thoughts. Stormtrooper armour, it's not a big seller, so why travel and put up legal arguments in another country for the right to shut down this guy's operation? Copyright Law has much of it's origins in Britian, what happens there on this issue will spread across the globe.
When:
http://www.turbosquid.com/3d-models/stormtrooper-helmet-obj/423124
Becomes:
http://www.flickr.com/photos/superrune/2977142707/
So the question for the rest of us, is how to keep this stuff legal?
one of the 3d printers: