3D printers; three-dimensional (3D) printers; devices for the printing of three-dimensional (3D) objects; structural components for three-dimensional (3D) printers, namely, printer frames, print heads being parts of machines, valves, robotic arms for industrial purposes; 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, namely, three-dimensional (3D) printers; industrial robots; cartridges, intended to contain unprocessed synthetic resins and liquid plastics, sold empty, for use with industrial and commercial three-dimensional (3D) printers

Three-dimensional (3D) printing services; custom fabrication of three-dimensional (3D) printer parts, and 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