3D Printing with laser inversion

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According to  Hod Lipson, James and Sally Scapa Professor of Innovation and his Ph.D. student John Whitehead, from Columbia University in the City of New York, “in a standard printer, because each of the successive layers placed down are homogeneous, the unfused material obscures your view of the object being printed, until you remove the finished part at the end of the cycle. Think about excavation and how you can’t be sure the fossil is intact until you completely remove it from the surrounding dirt. This means that a print failure won’t necessarily be found until the print is completed, wasting time and money.”

Laser Inversion Enables Multi-Materials 3D Printing

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