The US´s National Institute for Occupational Safety and Health (NIOSH) has released a set of guidelines for using 3D printing called, ¨Approaches to safe 3D printing: a guide for makerspace users, schools, libraries, and small businesses.¨ This is an absolutely fantastic development that should make 3D printing a lot safer for employees and kids. The reports recommendations include having a comprehensive risk management plan for 3D printing, providing all SDSs (safety data sheets). It also suggests that you select safer materials noting that PLA emits fewer particles than ABS and some colors of filament are significantly safer than others. They also recommend using a fume hood, enclosure or a local exhaust ventilation (LEV) device and HEPA filtration to make 3D Printing safer. It also encourages people to opt for 3D Printers that have approval from a Nationally Recognized…