Reverse engineering Injection molding of plastics 18 Computer-aided design 11 Rapid prototyping 11 CAD/CAM systems 10 Three-dimensional printing 10 Armor making 8 Human engineering 7 Computer programs 6 Computer-aided engineering 6 Coordinate measuring machines 6 Production engineering 6 Computer security 5 Design and construction 5 CATIA (Computer file) 4 Computational fluid dynamics 4 Daggers 4 Design, Industrial 4 Engineering design 4 Helmets 4 Hydraulic turbines 4 Machine-tools 4 Machining 4 Product design 4 Safety measures 4 Scanning systems 4 Automatic control 3 Computer viruses 3 Data processing 3 Software engineering 3