azert pl a Pro/Engineer, CATIA, SIEMENS-NX, SolidWorks, SolidEdge, csöppett komolyabb cuccok mint az autocad.
http://en.wikipedia.org/wiki/SolidWorks
http://en.wikipedia.org/wiki/NX_(software)
http://en.wikipedia.org/wiki/CATIA
http://en.wikipedia.org/wiki/SolidEdge
http://en.wikipedia.org/wiki/ProEngineer
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Ketchup elementál megidézése a sajt síkra