![]() ![]() AutoCAD was the first CAD software made for PCs instead of mainframe computers. Ohn Walker founded the company Autodesk, which released AutoCAD. Featuring NURBS (Non-Uniform Rational B-Splines), this model generator was based on precision and accuracy. SDRC developed GEOMOD, their geometric modeling product. Once STEP was released, IGES was no longer updated, but it is still accepted in many places.īy: SDRC(Structural Dynamics Research Corporation) ![]() IGES is a neutral CAD format that lets users transfer their 3D designs between different CAD software programs. National Bureau of Standards(now National Institute of Standards and Technology) ![]() IGES(Initial Graphics Exchange Specification)īy: U.S. GLIDE had many of the same features as modern BIM.ĬATIA, a multi-platform CAD software still in use today, introduced engineers to 3D modeling. GLIDE(Graphical Language for Interactive Design) NURBS helped define surfaces and is still widely used in engineering today. It was a high-end, easy-to-use software used by many corporations that set a new gold standard for CAD software at the time. Unigraphics provided 2D modeling and drafting. Synthavision was the first 3D solid modeling system. Approximately 90 percent of today’s commercial drafting programs can be traced back to ADAM. This interactive graphic system was written in Fortran and designed to work on virtually all mainframe computers. The system cost $500,000.Ĭomputervision sold one of the first commercial CAD systems to Xerox. Itek released Digigraphics, one of the first commercial CAD systems. McDonnell Douglas and other manufacturers started releasing internal CAD systems like CADD, which was used for parts layouts and geometry work.įord developed an internal CAD system called PDGS. Ross coined the name CAD (computer-aided design).ĬADAM(Computer-graphics Augmented Design and Manufacturing)ĬADAM introduced CAD to aerospace design.īy: McDonnell Douglas(now merged with Boeing) Hanratty, General Motors, and IBM partnered to create DAC, an early graphic CAD system. Sketchpad also created the use of “objects” and “instances.”īy: Dr. Using a light pen on a CRT display, users could constrain properties in a drawing. Sketchpad was one of the first design systems to use a graphic user interface. PRONTO was the first commercial, numerical-control programming system. His process let designers make copies of architectural drawings, reducing the chance of losing information or making errors when transferring designs between team members.īy: Dr. Alphonse-Louis Poitevin invented the first blueprints using iron ferro-gallate and light. ![]()
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