Markus Kayser’s 3D Solar Sinter Prints on Sand – Could Replace Concrete | GreenProphet

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Markus Kayser didn’t need tens of thousands of slaves to conjure something out of the desert. He used his own ingenuity to design and build a machine called a Solar Sinter. This machine uses photovoltaic panels to power a computer and the electromechanical workings of a 3D printer.

The print head holds a lens which concentrates sunlight from a larger Fresnel lens onto a tray of sand. This focused beam reaches temperatures of over 1400°C which sinters (melts) the sand to form a glass or ceramic object. 

Markus Kayser: 3D printing is moving in two directions – desktop DIY printers and prints on demand for so called ‘mass-customization’ of products. I think both will have a great impact in how products are consumed as well as on manufacturing. If for instance I can modify the product to my personal needs before I buy it, it might have an impact on the way I feel about the product, its usability and I might think twice before throwing it away as I was part of its ‘creation’. This again could lead to less consumption. Also the way in which DIY 3D printers are looking at recycling the printed products, reusing the once printed but now unwanted products to make new ones at home.

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