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Video
Source
just... awesome.
Source
Imagine a contraption that could create actual three-dimensional objects just by sitting smack dab in the middle of the Sahara desert. 3D printing is already almost unfathomably futuristic (not to mention cool), but the so-called Solar Sinter takes the method to the next level.
Traditional 3D printing builds up successive layers of material (often resin or plaster) into what emerges as a three dimensional object. The Solar Sinter, an amazingly clever undertaking crafted by sand-sculptor Markus Kayser, employs a parallel, entirely sustainable technique.
By unfurling his somewhat portable (though unwieldy) solar-powered 3D printer under the Saharan sun, he harnesses the sun's rays to do the work of a laser in a traditional 3D printer setup. And rather than using a resin-like substance for the additive layers of material, his device ingeniously makes use of the desert's other most plentiful feature — sand.
To really understand what's happening here, don't miss the video above. In his demonstration, Kayser "prints" two objects, a rather abstract figurine and a bowl, but the sustainable production possibilities are endless. Endless so long as you don't run out of sun or sand — but in the middle of the Sahara, that might take a good long while.
just... awesome.