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I
n this chapter, I explain the essentials that you need to start drawings. After a
little background, I discuss the basics of the screen that you see when you
open AutoCAD or AutoCAD LT, and how to use it. If you’ve never used
AutoCAD before, do the Quick Start chapter first, “Quick Start: Drawing a
Window.”
AutoCAD and its younger brother, AutoCAD LT, are both created by Autodesk.
Together they are the most widely used technical drawing programs anywhere.
AutoCAD alone has more than 3,000,000 registered users. According to
Autodesk, CAD stands for computer-aided design, but it can also stand for
computer-aided drafting or drawing.
The first version of AutoCAD, running under DOS, came out in 1982. AutoCAD
was the first significant CAD program to run on a desktop computer. At the time,
most other technical drawing programs ran on high-end workstations or even
mainframes. AutoCAD LT was introduced in 1993, as a less expensive alternative
to AutoCAD, for people who don’t need all of AutoCAD’s advanced features.
AutoCAD’s Advantages
AutoCAD’s success has been attributed to its famous open architecture the flexi-
bility that the end user has to customize the program using source code files in
plain text (ASCII) format and programming languages (such as AutoLISP and
Visual Basic for Applications).
As a result, AutoCAD is an extremely flexible drafting program, applicable to all
fields. AutoCAD’s support for languages other than English, including those
using other alphabets, is unparalleled, making AutoCAD highly popular abroad.
As a result, AutoCAD is used in all disciplines and in more than 150 countries.
Through a high level of technical innovation and expertise, Autodesk has created
a program with advanced features and capabilities, including 3D surface and
13
IN THIS CHAPTER
Getting acquainted with
AutoCAD and AutoCAD LT
Starting AutoCAD and
AutoCAD LT
Creating a new drawing
Using the AutoCAD and
AutoCAD LT interface
Saving your drawing
Closing a drawing and exiting
AutoCAD and AutoCAD LT
Starting to Draw
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COPYRIGHTED MATERIAL
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Inhaltsverzeichnis

Seite 1 - COPYRIGHTED MATERIAL

In this chapter, I explain the essentials that you need to start drawings. After alittle background, I discuss the basics of the screen that you see w

Seite 2 - AutoCAD and AutoCAD LT Basics

12. Click in two places to pick a start point and an endpoint.13. This time, to end the line, right-click anywhere in the drawing area. By default, th

Seite 3 - Creating a New Drawing

Down the left side of the dialog box are several buttons to help you find a location to save drawings morequickly. Together, these buttons are called

Seite 4 - The drawing area

The SAVEALL command of the Express Tools saves all open drawings, without closing them.Choose Express ➪ File tools ➪ Save All Drawings. If a drawing h

Seite 5 - CROSS-REF

STEPS: Closing Your Drawing and Exiting AutoCAD or AutoCAD LT1. Your drawing should still be on your screen. Choose File ➪ Close. You now see a gray s

Seite 6 - The menus and toolbars

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Seite 7 - Creating a New Folder

solid modeling and visualization, access to external databases, intelligent dimensioning, importing andexporting of other file formats, Internet suppo

Seite 8 - Using the Interface

Starting AutoCAD and AutoCAD LTThis section starts a quick tour of AutoCAD and AutoCAD LT. The first step is to start the program.The DVD contains a 3

Seite 9

Using the AutoCAD and AutoCAD LT InterfaceAutoCAD offers three quite different preset workspaces, depending on how you want to work. For example,these

Seite 10 - Saving a Drawing

FIGURE 1.2The AutoCAD and AutoCAD LT screens are very similar.Instead of the model and layout tabs, you may see two buttons on the status bar that you

Seite 11 - Starting to Draw

The UCS iconNotice the symbol with two arrows in the drawing area in Figure 1.2. This symbol is called the UserCoordinate System (UCS) icon. The arrow

Seite 12 - AutoCAD LT

You can lock the position of toolbars and windows (palettes). On the right side of the statusbar, at the bottom of the screen, is a lock icon. Click t

Seite 13

STEPS: Creating a New Folder1. Move the mouse cursor down to the taskbar at the bottom of your screen and right-click the Startbutton.2. Choose Explor

Seite 14

Input tooltip, click the DYN button on the status bar.) At the same time, notice the coordinateschanging on the left side of the status bar.FIGURE 1.4

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