I'm all for civil disobedience, prepping, acquiring new skills, silver stacking, going off grid, etc...but trying to run a top 3D gun site with millions downloading may quickly get you the Bradley Manning treatment.
If you become a high priority target, all of the bitcoins and anonymous IP and hosting accounts in the world will not hide you from the feds.
Just saying...I applaud the patriotism...just make sure you're physically and mentally prepared to accept the possible consequences.
“Let it not be said that no one cared, that no one objected once it’s realized that our liberties and wealth are in jeopardy.”
― Ron Paul