If you're looking for a 3d printer, the most well known out there that is actually about 2 grand is the makerbot. makerbot.com
A more affordable and open source model is the reprap. Check out reprap.org, starting at about $350.
For a pretty big list with pricing go to: http://www.3ders.org/pricecompare/3dprinters/
To get a basic knowledge try:
Those who expect to reap the blessings of freedom, must, like men, undergo the fatigue of supporting it. ~Thomas Paine
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