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Researchers discover a new way to identify 3D printed guns

Researchers discover a new way to identify 3D printed guns

Researchers at the University at Buffalo have found that 3D printers have fingerprints, essentially slight differences in design that can be used to identify prints. This means investigators can examine the layers of a 3D printed object and pinpoint exactly which machine produced the parts. "3D printing has many wonderful uses, but it's also a counterfeiter's dream.