3 minute Read. If you have a 3D printer, you need to make sure it’s in a well-ventilated area-and maybe keep it out of a child’s room-because across the board, 3D printers release tiny, undetectable materials that could be toxic and embed themselves into your body permanently. This advice comes courtesy of Georgia Tech professor Dr. Rodney Weber, who recently oversaw a landmark study on the emissions of 3D printers that was published in Aerosol Science and Technology. Part of a broader collection of research four years in the making, the study sought to standardize the way we measure the particulates put out by 3D printers so that we might one day certify some 3D printers and their components as healthier than others on the market. Numerous studies have already confirmed that when 3D printers melt down plastic filaments to shape objects, they release nasty stuff into the air-particles as small as 100 microns. For one, there is no such thing as a 3D printer that doesn’t emit concerning microparticles into the air. Hopefully that’s the sort of insight that manufacturers can keep in mind when designing 3D printers of the future. “I wouldn’t say it’s terrifying because you get exposed to these particles all the time from roadway emissions-like diesel cars. It’s not like 3D printers create the only nanoparticles in the world,” says Weber.

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