I saw this today also. Here's another link with some more info.....
http://www.computerworld.com/article/2685 322/dremel-releases-a-3d-printer-for-the-masses.html?source=CTWNLE_nlt_pm_2014-09-18#tk.rss_all
The rumor was that most places banned them during the "safety conscious" 70s because you might hurt yourself on them. I remember seeing them a lot in the late 50s and 60s.