The most common 3-D printers we currently read or hear about print with plastic in some form. Due to its less-durable reputation, compared to metal, the perception exists that the outcome, the printed part, is cheap or useless for anything other than a trinket, keepsake, or prototype model. While that perception is untrue, or inaccurate, many people believe 3-D printing will not achieve real market penetration until a metal printer becomes affordable like the popular thermoplastic printers today.

from Forbes – Tech http://ift.tt/1jVHAzb
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