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Autocad, units and meaning of cad




Autocad

Autocad is a computer software application for 2D and 3D design and drafting. Autocad developed by Autodesk . Its first version released in December 1982. Autocad was the first cad program to run on personal computer.

Meaning of cad.

C  = computer
A = aided
D = designing/drafting

Benefits of cad

1.  CAD Accuracy 1/256" and  human accuracy is 1/8".
2. Fast in editing.
3. Fast  is working drawing.
4. Scale 1:1

Uses of Autocad

Autocad is a computer aided design program used by just about every engineering and design office in the word.

Drawing area

⇨The large area in center of screen is called drawing area of autocad.

⇨The drawing area size can be changed any time with limits.

⇨ You have both colour of drawing area.

Cross hair/curser

⇨ Use to locate points, make selections and draw any object

⇨ The movement of curser controller by the movement of mouse

Units

Specifies the display format and precision. This command dictates whether the units are displayed as decimals or as a fraction, as well as how many decimals places the number will go.

How to set units?


  Set the drawing Units as follows:
1. Type UNITS <enter>
2. Change the Type and Precision as shown
3. Change Units according to need.
4. Press ok


For Autocad  commands

CLICK HERE FOR AutoCAD COMMANDS

This link for important AutoCAD commands. You can seen commands and their explanation.


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