Regulatory concerns hold back 3-d printing on safety
3-D printing regulation: Should governments intervene?
Like it or not, 3D printing is about to get legislate
Join the debate: 3-D printed guns or government regulation?
Like it or not, 3-D printing will probably be legislated
Should government regulate illicit use of 3D printing?
Innovations in 3D printing outpacing safety regulations
Democrats fear criminals printing guns
3D printing is here but it must be safe to stay
3D printing is getting huge hype, but it could be one massive health risk
The dark side of 3D printing: 10 things to watch
3D printer gun with unlimited bullets
Regulating the liberator
Leave 3D printing alone