wichita.edu
…(3D) printing is an additive process molding virtual objects or digital images into 3D shapes using layer-upon-layer of metals, curable resins, ceramics, plastics, nanomaterials and other materials. 3D printers may also have a laser attachment for engraving the cast products which can pose specific hazards. Studies have indicated that 3D printers…
https://www.wichita.edu/services/environmental_health_and_safety/3d_print_safety.php