kontributor : Yuniar Dwi Pratiwi


Computer-aided design (CAD) is the use of computers (or workstations) to aid in the creation, modification, analysis, or optimization of a design (based on Wikipedia’s definition). The purpose CAD software made is to increase the productivity of the designer, improve the quality of design, improve communications through documentation, and to create a database for manufacturing. Based on its use, CAD divided to two types use in designing electronic systems the name is electronic design automation (EDA) and in mechanical design it is known as mechanical design automation (MDA) or computer-aided drafting (CAD).

Computer-aided design (CAD) began to be formed by Dr. Paul J. Hanratty in 1950 and then developed by MIT in 1957 with the name “Pronto”. Along with the development, in 1982 Autodesk Company introduce AutoCAD. Innovating, Autodesk always developing AutoCAD and make it be more sophisticated. In 1993, Autodesk introduced a 3D CAD program for DOS-based computers. As personal computers became more widely available throughout the 1990’s, so did the use of CAD. In the 21st century, there are many 3D drawing and modeling programs were created, including GstarCAD. The original GstarCAD software and the sam modeling program combines design, preparation and building-model information (BIM) to make buildings more sustainable and efficient.
    There are steps for use CAD (use AutoCAD software)
    1. Decide what project you want to use AutoCAD for.
    2. Ensure that your computer meets the program’s system requirements.
    3. Install the AutoCAD program.
    4. Familiarize yourself with how to navigate through AutoCAD.
    5. Create new drawing.
    6. Locate the small gear icon at the bottom of the screen.
    7. Click the Home icon on the left side of the ribbon.
    8. Select the Line icon from the drop down menu.
    9. Check the text in the command/prompt toolbar.
    10. Move your mouse inside the drawing area.
    11. Click the left mouse button near the center of the drawing area.
    12. Look for the text “Specify next point or Undo” in the command/prompt area.
    13. Type “@4<0 and="" area="" command="" enter="" hit="" in="" li="" prompt="" the="" twice.="">
    14. 4-inc line is complete.
    15. Experiment with other drawing options.
    16. Build on what you’ve learned.
    17. Save your drawing.

Today, CAD systems exist for all the major platforms (Windows, Linux, UNIX and Mac OS X); some packages support multiple platforms.

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