AutoCAD Tutor - Thammasat University
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Transcript AutoCAD Tutor - Thammasat University
AutoCAD Tutorial
Instructor: Dr. Karndee Prichanont
Learning Objectives:
-Refresh your memories in operating AutoCAD
-Practice on basic operations
Reference
You can view all materials from
www.siit.tu.ac.th/karndee/course/autocad.html
Textbook reference
Title: Computer-Aided Engineering Drawing Using AutoCAD;
Author: Jensen, Helsel, and Voisinet; 1990
Title: Mastering AutoCAD Release 14; Author: Cheng; 1999
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Starting AutoCAD
Double click on AutoCAD icon
AutoCAD environment
Drop-down menus
Standard toolbar
Specific toolbars
The graphic area
View tabs
The command area
The status area
Command Entry
Command area
Menus
Icons
File Operations
File Operations
New
Save
Open
Tools / Display Image…
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Setting Up Drawing Environment
Drawing units: Indicate metric unit in pop up window at start
up
Format / Units…
- Decimal units
- Precision: 0.00
Limits
Format / Drawing Limits
In command area,
Lower left corner: 0,0
Upper right corner: 200,200 (example: 20x20 cm)
Viewing
View / Zoom… or select icons
(zoom all) or
(zoom
window)
View / Toolbar… : select frequent operations
View / Regenerate/ Redraw: to clear the clicked points 6
Basic Operations (1)
Coordinate systems
Absolute coordinates:
• Cartesian (X,Y) or
• Polar (R<Ao)
Relative coordinates:
• Cartesian (@X,Y) or
• Polar (@R<Ao)
User defined coordinate system: USC
command - 3points option
Basic Operations (2)
2D drawing:
lines:
Select icon
or type line
• click the starting point and ending point on the
graphic area or
• type coordinates of these points
Arcs:
Select icon or type arc
• select points or key in coordinates of the points
according to requirements
Other commands: polyline (command= pl) , rectangle,
circle, etc.
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Basic Operations (3)
3D Drawing
Select menu Draw – 3D objects –
sphere/box/cylinder/.. Then key in
parameters
Select icons – key in parameters
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Basic Operations
Snap modes( select endpoints, intersection)
Select icons or click right hand side to obtain a float menu
select suitable option
Or go to Tools / Object Snap Settings…
Common modifying operations
Erase: type e then select object to erase
Rotate: type rotate or select menu Modify / Rotate
Others: offset, array,
2D object modifications: Select modify – select trim,
break, extend, etc.
3D Object Modification select modify – select extrude,
union, etc.
Practice 1
Practice 2
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Submit the files
Submit 2 practice files by 4 p.m. today to
[email protected]
File name: yourname_1.dwg and
yourname_2.dwg
Ex: karndee_1.dwg and
karndee_2.dwg
State your name and student ID in the
subject of email message
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