The document discusses the technology of 3D printing and its potential consequences. It notes that while 3D printing is an innovative technology that could change the world, 3D printed firearms pose risks. The technology allows for untraceable guns to be created, which are unregulated and could end up in the wrong hands. However, supporters argue that banning 3D printed guns would be ineffective and infringe on civil liberties. The document seems to argue that while the technology holds promise, its risks related to firearms must be addressed.