August 7, 2014 9:40 am 3D RV Tour Makes Stops in Mass. T.J. McCue of Refined Digital is traveling the country in a specially equipped RV to show anyone who’s interested how 3D printing is done. US & World Videos 0:16 4 people seriously hurt after boat sinks off Cape Cod 24:50 @Issue: Biden signs the foreign aid bill, and a retrospective of Boston's 2024 Olympics bid 3:05 100 protesters detained at Northeastern University 2:39 Community mourns police sergeant killed on duty 4:32 Anti-war protester at Northeastern speaks amid arrests: ‘We are peaceful students'