3D printers

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The ability to create custom  products at home is becoming a reality.  With some computer software and a string of plastic, you can create a 3D object in no time.

It uses a technique called build up.  The software tells the printer where to put the molten plastic, layer by layer you have your authentic model of Darth Vader or replica Colt 45.

I wonder how much plastic it would take to create a full sized Jessica Alba?