Such a thing does exist and it's explained in the video, although it's not exactly printing and the wikipedia article doesn't call it printing either[1]. [1]:

Such a thing does exist and it's explained in the video, although it's not exactly printing and the wikipedia article doesn't call it printing either[1]. [1]: http://en.wikipedia.org/wiki/Direct_metal_laser_sintering http://en.wikipedia.org/wiki/Direct_metal_laser_sintering