Re: The 3D PRINTER

[Anthony Brummett <brummett@xxxxxxxxx>]

On Mon, Jul 18, 2011 at 9:04 PM, <63max426@xxxxxxxxx> wrote:

this looks like something built on technology was developed about 20 years ago.

And now they're affordable enough that many of us could actually afford one,

 

one method used a UV polymer which was a liquid and cured with UV laser light.  the other was a type of powdered metal composition which was also laser cured.

The MakerBot machines work by building up the object on a table that can move up/down, left/right and forward/back.  There's a stationary nozzle that squirts out dots or lines of plastic that cure and harden, kind of like the way you can build up cake frosting by squeezing it out of the decorating bag.

-- Tony

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