• Capuchino,  Công nghệ,  Lang thang

    Life before the invention of AutoCAD, 1950-1980

    Life before the invention of AutoCAD, 1950-1980 General Motors Technical Center in Warren Michigan. Before the advent of AutoCAD and other drafting software, engineering drawings were made on sheets of large paper using drawing boards. Many types of equipment were required to complete a given drawing, such as drawing board, different grade pencils, erasers T-squares, set square, etc. The major disadvantage of a paper-based design was that you could not change the drawing after it was committed to paper. This would mean that if changes were required to the design, the engineers would need to create the sketches all over again. Examining the history of engineering drafting and design equivocally…