How Does 3D Printing Work, Anyway?

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I am really, really intrigued by 3D printing. One day I think I would enjoy being able to play with one to see what I can create! There are libraries of items already available to print – so cool! Details from Mashable:

Design a pair of shoes on your computer, hit “Print,” and wear them an hour later. If that kind of technology doesn’t blow your mind, you’re dead to me.

The cost of 3D printing technology is finally within the grasp of consumers, and many believe it’s poised to revolutionize commerce. Companies are rushing to get out in front of this new custom marketplace, offering 3D-printed fashion, furniture and even food.

SEE ALSO: 14 Incredible 3D Printing CreationsBut how does this technology work? What kind of materials does it utilize? And how fast is this industry growing? The folks at HighTable.com have created the visual explanation below. Regrettably, this infographic will only print in 2D — unless you fold it into some sort of origami swan. But that one’s on you.