Fußgänger Brillant Katarakt laser sintering machine Frühstück Theater Region
3d Printer Printing Image & Photo (Free Trial) | Bigstock
3D printer printing metal. Laser sintering machine for metal. Metal is sintered under the action of laser into shape. DMLS, SLM, SLS. Modern additive technologies 4.0 industrial revolution. Sparks Stock Photo - Alamy