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AUTOCAD TUTORIALS


 AUTOCAD TUTORIALS 

For the purpose of producing exact 2D and 3D drawings, AutoCAD is a potent computer-aided design (CAD) tool that is utilised extensively across numerous industries. Here are some basic instructions and actions to get you started:

Overview of interfaces:


You'll see the programme window for AutoCAD after starting it up, which includes a number of menus, toolbars, and panels.
  • The top ribbon menu is typically where you'll find the most frequently used tools.
  • Your designs are created and modified in the drawing area.

Setup for Drawing:

  • To begin a new drawing, click the "New" button on the ribbon menu or type "NEW" on the command line.
  • By entering "UNITS" in the command line, you can specify the units for your drawing. Select the precision and unit type that are appropriate.
  • Enter "LIMITS" in the command line to set the drawing restrictions. Specify the boundaries within which you will draw.

Basic Drawing Instructions:

  1. Line: Enter "LINE" in the command line after entering the line's beginning and end points.
  2. Circle: Type "CIRCLE," then provide the radius and centre coordinates.
  3. Type "RECTANG," identify the rectangle's two opposite corners, and hit Enter.

Precision Drawing: AutoCAD supports accurate and exact drawing. Various input techniques allow you to enter exact lengths, angles, and coordinates. For instance, you can use Cartesian coordinates (X, Y) or polar coordinates (@distanceangle).


Changing Objects: After drawing an object, you can change it using editing instructions. Move, Copy, Rotate, Scale, and Trim are a few of the often used editing commands. You can adjust and manipulate your drawings with these instructions.


AutoCAD employs layers to categorise and control the many items in a drawing. Objects on several layers can have various colours, line types, and other features assigned to them. Create and manage layers using the "Layer Properties Manager".

Typing Commands
Typing a Command
All AutoCAD commands can be typed in at the command line. Many commands also have one
or two letter aliases that can also be typed as shortcuts to the commands.
1. Type the desired command at the command prompt.
Command : LINE
or
2. Type the command’s alias. Command: L
3. Press ENTER/Space to end.
4. Type an option at the command prompt.

TIP: Many AutoCAD commands require you to press ENTER to complete the command. You know you are no
longer in an AutoCAD command when you see a blank command line.

Reissuing the Last Command
The last used AutoCAD command can be re-entered by one of the following three methods
of ENTER. The ENTER key on the keyboard will always act as ENTER, the SPACEBAR and
RIGHT MOUSE will act as enter most of the time (exceptions include placing TEXT).
1. Press the ENTER key on the keyboard
or
2. Press the Space bar on the keyboard.
or
3. Click the right mouse button.

Pointing Device (Mouse)
AutoCAD uses either a mouse or digitizing tablet to select objects in a drawing.
Left Mouse Button
Used to pick or select objects
1. Click the left mouse button to select an object area in the drawing.
2. Press ESC twice to deselect an object (or to cancel a command).
Right Mouse Button
Used to enter a command, repeat last command, or access shortcut menus.
1. Click the right mouse button.

TIPS:
• SHIFT + the right mouse button brings up the object snap menus.
• Various screen locations for the mouse brings up different menus.• menus.

PAN

Shifts the location of a view.
1. Choose View, Pan.
or
2. Click the Pan icon.
or
3. Type PAN from the command prompt.
Command: PAN or P

ZOOM

Increases or decreases the apparent size of objects in the current viewport
1. Choose View, Zoom.
or
2. Click a Zoom icon.
or
3. Type ZOOM at the command prompt.
Command: Zoom or Z
4. Type One of the following zoom options:

The following are basic zoom options:
All :           Places entire drawing (all visible layers) on display at once. Forces a regeneration.
Extents:     Displays current drawing content as large as possible. Previous Restores previous view.
Window:     Designates rectangular area to be drawn as large as possible.
Number :    Magnification relative to ZOOM All display 
Number X: Magnification relative to current display (1X)
Center:     Specifies center point and new display height. 
Dynamic:     Permits you to pan a box representing the viewing screen around the entire generated portion of the drawing and enlarge or shrink it.

1. LAB MANUAL

2. COMMAND TUTORIAL

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