Harvard Business School grad Grace Choi has developed a 3D printer called Mink that combines ink with base powders and creams to create custom cosmetics at home. Mink users can choose a color from any digital image, plug it into basic software like Photoshop, and the printer will combine the raw materials to create an endless variety of cosmetics. "We're going to live in a world where you can take a picture of your friend's lipstick and print it out," Choi said. She plans to bring the printers to market later this year at a retail price of around $300.
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