They're not in wide circulation. People were wondering if they were vaporware actually - but I've only see parts once, and they were pretty good. People still u

They're not in wide circulation. People were wondering if they were vaporware actually - but I've only see parts once, and they were pretty good. People still use the old Helisys machines that there's corporate servicer of them: http://www.cubictechnologies.com/Helisys.htm http://www.cubictechnologies.com/Helisys.htm