The solar 3D printer eats sand and spits out art

If you have seen Naruto, you must remember that I love Luo in the wind. In his hands, sand is a thing of life, but also joy and sorrow. But this is not just a legend.

A guy named Markus Kayer invented a 3D printer that uses sand and sunlight to print incredible works.

The inconvenient and industrial designer Markus Kayser spent half a year creating two devices that make full use of solar energy in the harshest climate in the world. The first device, called Sun Cutter, is a solar cutting machine with low technological content. It concentrates sunlight on a plane through a large spherical lens and controls it through a camera system. When the plane moves under focused light, it cuts the planar object like a laser.

Kayser turned his attention to 3D printing. He integrated the two most abundant resources in the desert: sand and sunlight. So he invented the second device: Solar Sinter, "Solar Sinter," which melts sand and allows glass to make 3D objects. He wrote in his blog that this process of turning powder into solids by heating is called "sintering" and has become a prototype for 3D printing (or selective laser sintering, SLS) in recent years. Center craft. By replacing the laser with sunlight and replacing the resin with sand, I designed a new solar machine and a production process for making glass objects, which are the ubiquitous sunlight and sand in the global desert.

In mid-May, the solar sintering plant was tested in Egypt's Siwa Desert for a period of two weeks. You can see from the video below that it is beautiful. The solar energy used by the two machines is used in electronic components, servo systems, and sun-tracking systems. The energy used to cut and melt sand is just focused sunlight.

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