Printing machines for manufacturing of three-dimensional products; metalworking machines for manufacturing 3d model; 3D printers; nozzle for 3D printers; cartridges intended to contain unprocessed synthetic resins in the form of filaments, powders for use with industrial and commercial three-dimensional 3D printers; cartridges intended to contain liquid plastics in the form of filaments, powders for use with industrial and commercial three-dimensional 3D printers; cartridges intended to conta...