Accessories and spare parts for 3D printers used for making 3D embodiments of computer-generated designs by a material deposition process, namely, print heads for 3D printers; moulding machines; metalworking machines; printing machines; machines for processing plastics; computer driven machines for making three-dimensional embodiments of computer; 3D printers; powered machines for post-production finishing of the surfaces of articles made by 3d printing.

Software for operating 3D printers; computer software for use in receiving and manipulating 3d model file data for fabrication of 3d embodiments on a 3d printer; computer software used for transmission of 3d file data for printing on a networked 3d printer; computer software for operating and monitoring a network of 3d printers; computer software for use in 3d designing, 3d printing, and 3d manufacturing, and analyzing, pricing, sharing, online displaying and ordering of parts, prototypes, and models related thereto for personal and commercial use.