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3d printing is pretty amazing stuff. What gets me is how wide the range of things they are doing with it. It goes from stuff like this used for fast prototyping to printing actual replacement parts for the human body. Then you have a complete other spectrum where they are working on printing food products. Not to mention groups that are working on stuff like printing with concrete, for building structures.
The really cool stuff is, I'm building a folding kayak. I need some little plastic parts custom made and all I have to do is design them and send the file off to get a one off batch made.
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