IG Aln Brief History of CAD 1957 PRONTO (Dr Hanratty )-first commercial numerical- control programming system 1960 SKETCHPAD(MIT LincoIn Labs) Early 1960s industrial developments General Motors -DAC Design automated by computer) McDonnell Douglas-CADD Early technological developments Vector-display technology Light-pens for input Patterns of lines rendering first 2D only) 1967 Dr Jason r lemon founds sdrc in cincinnati 1979 Boeing general Electric and nist develop iges Initial Graphic Exchange Standards), e. g. for transfer of NURBS curves Since 1981: numerous commercial programs Sourcehttp://mbinfo.mbdesign.net/cad-hIstOrY.htm 16.810(16682) Massachusetts Institute of Technology16.810 (16.682) 7 Brief History of CAD „ 1957 PRONTO (Dr. Hanratty) – first commercial numerical￾control programming system „ 1960 SKETCHPAD (MIT Lincoln Labs) „ Early 1960’s industrial developments „ General Motors – DAC (Design Automated by Computer) „ McDonnell Douglas – CADD „ Early technological developments „ Vector-display technology „ Light-pens for input „ Patterns of lines rendering (first 2D only) „ 1967 Dr. Jason R Lemon founds SDRC in Cincinnati „ 1979 Boeing, General Electric and NIST develop IGES (Initial Graphic Exchange Standards), e.g. for transfer of NURBS curves „ Since 1981: numerous commercial programs „ Source: http://mbinfo.mbdesign.net/CAD-History.htm