3D printers; three-dimensional (3D) printers; devices for the printing of three-dimensional (3D) objects; components for three-ddimensional (3D) printers; accessories and detachable tools for three-dimensional (3D) printers; printing machines for commercial or industrial use; additive manufacturing machines for manufacturing three-dimensional (3D) objects for industrial and commercial use; machines used to make three-dimensional (3D) objects; industrial robots; cartridges, sold empty, for use with industrial and commercial three-dimensional (3D) printers

Three-dimensional (3D) printing services; custom fabrication of parts, components and models for others; providing material treatment information, on-line from the Internet; providing information about three-dimensional (3D) printing services, on-line from the Internet; digital printing services; rental of three-dimensional (3D) printers