Therefore, [Emily] ingeniously modified one of her standard 3D printers to operate two-dimensionally, swapped its plastic extruder for a tattoo gun ... for something with needles involved!
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Students at a Texas Junior High tattooed themselves on school grounds – all using the same needleLuckily, the ink used in the tattoo gun was temporary, the school confirmed. This does not, however, mean that it won't cause scarring on their skin or get infected. "The needle was shared several ...
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