The National Institute for Occupational Safety and Health (NIOSH) has posted two posters from the NIOSH Nanotechnology Research Center (NTRC) on 3D printing: 3D Printing with Filaments: Health and Safety Questions to Ask and 3D Printing with Metal Powders: Health and Safety Questions to Ask. The posters provide health and safety questions with different control options and information intended to reduce exposure to potential hazards. The questions...