“Wilson compares his new legal troubles to the widely-followed case in the mid-1990s of Philip Zimmermann, the inventor of the cryptography software PGP who was threatened with indictment under ITAR for putting his military-grade encryption software online. “It’s PGP all over again,” says Wilson.”

http://www.forbes.com/sites/andygreenberg/2013/05/09/state-department-demands-takedown-of-3d-printable-gun-for-possible-export-control-violation/