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3D-printed gun blueprints can be downloaded starting next month, ending lengthy legal battle
//z-na.amazon-adsystem.com/widgets/onejs?MarketPlace=US&adInstanceId=65736013-c7d1-4170-8a99-e1a7bda9eae9 By James Rogers | FoxNews.com Blueprints for 3D-printed guns can be downloaded startin…