3D Printing That Isn’t Additive?

So is additive manufacturing the same as 3D printing?  Apparently not.  UC Berkely has a great new tech where you shine light into a special resin to create objects “all at once” rather than in layers.  The tech was inspired by the CT medical scan, but in reverse.  A CT scan projects energy from many angles to measure an object through transmitted energy measurement, but the printer concentrates the energy at a fixed point to reach a light threshold where the polymer will cross-link and solidify.  Doing this a complete object can be made in minutes.  You can read all about it in the Berkeley News.

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