9 Computer peripheral devices, computer hardware and electronic data input devices, namely, electronic interface equipment for machine tools to input or output CNC (computer numerical control) data; computer peripherals information devices for viewing power in interaction with virtual objects, in particular digital and analogue converters and scanners for obtaining a computer file of three-dimensional study parts; tracer arms being measuring apparatus for obtaining three-dimensional computer files, namely, scanners; carving tools, namely, downloadable, recorded software for obtaining two-and three-dimensional digital computer files; sound and image recording, transmission, reproduction or processing apparatus; downloadable, recorded computer programs, in particular simulation software for creating and conducting being operating all for three-dimensional images on computers and on graphics workstations, processing software computer file formats; downloadable, recorded computer software for enhancing computer-aided manufacturing; scanned data processing downloadable, recorded software; downloadable, recorded software for reconstruction of overhead design of models from the body parts, except software systems relating to management and monitoring of telecommunications; downloadable, recorded computer software for modeling in particular three-dimensional objects, of parts, prototypes, of samples, models, molds for the deposition of successive layers; downloadable, recorded computer programs for monitoring and controlling of a three-dimensional modeling machine; downloadable, recorded software for file processing of two-dimensional image files of three-dimensional objects