Rapid prototyping CAD/CAM systems 97 Computer-aided design 85 Prototypes, Engineering 78 Three-dimensional printing 63 Rapid tooling 47 Manufacturing processes 38 Design, Industrial 36 Data processing 34 Solid freeform fabrication 31 Field programmable gate arrays 22 Mechanical properties 21 Materials 20 Automation 17 Product design 16 Three-dimensional imaging 14 Ion beam lithography 13 Manufacturing 12 VHDL (Computer hardware description language) 12 Reverse engineering 11 Design and construction 10 Silicone rubber 10 Computer integrated manufacturing systems 8 Computer simulation 7 Molding 7 Plastics 7 Programmable array logic 7 Acrylonitrile 6 Ink-jet printing 6 Instability 6