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Autodesk AutoCAD was the first commercial CAD program to introduce a raster graphics approach to drawing. Raster graphics were originally defined in 1963 as a set of rules and conventions for moving graphics into a raster (or bit-mapped) device. Raster graphics are still commonly used by CAD software applications today.

Contents show]

1 Introduction

2 Basic Principles

3 Drawing Basics

4 Using Drawing Tools

5 Working with Objects

6 Drawing and Modeling Conventions

7 Specialized Drawing Tools

8 Parametric Design

9 2D and 3D Scaling

10 Reprojection

11 Working with Layers

12 Drawing Tips and Tricks

13 Alternative Drawing Interface

14 Edits and the Drawing Table

15 Troubleshooting and Tips

16 Tutorials

17 Downloadable Content

18 Concept Drawings

19 Company and Architectural Drawings

20 About the Author

21 Index



Autodesk AutoCAD is a commercial computer-aided design (CAD) and drafting software application. Developed and marketed by Autodesk, AutoCAD was first released in December 1982 as a desktop app running on microcomputers with internal graphics controllers. Before AutoCAD was introduced, most commercial CAD programs ran on mainframe computers or minicomputers, with each CAD operator (user) working at a separate graphics terminal.

2 Basic Principles

Autodesk AutoCAD is a commercial CAD program that enables 2D and 3D modeling. At the start of a drawing session, the user is prompted to choose from one of five different user interfaces.

Autodesk AutoCAD Features include:

2D and 3D models of objects, including polylines and splines.

Raster graphics (bit-mapped) commands.

The ability to draw on the screen with a graphics tablet or mouse.

Parametric modeling: For 3D drawing, use of parametric modeling allows you to resize or reposition objects based on the shape of a model. For 2D drawing, use of parametric modeling allows you to resize or reposition objects based on the shape of a model.

Auto-layout, which positions objects on the paper without manual positioning.

Drawing tools include line, shape, arc, text, and fillet.


AutoCAD Crack + With Product Key Free Download

Some of the features of AutoCAD itself are tied to the computer operating system. For example, AutoCAD for Windows includes several command line tools, such as ACSCOPE, that use the Windows command line environment, and several API functions provide access to file system operations.


AutoCAD was developed by Computer Applications, Inc. (formerly known as Macran, Inc.) in the early 1980s. In 1983, Macran became Autodesk, Inc., a publicly traded company in which Autodesk still holds a controlling interest, and the company is headquartered in San Rafael, California.

AutoCAD 1.0 was released in 1987, AutoCAD 2.0 in 1989, AutoCAD 3.0 in 1990, AutoCAD 3D in 1992, AutoCAD Architectural Desktop in 1998, AutoCAD Civil 3D in 1999, AutoCAD Mechanical Desktop in 2004, AutoCAD Electrical Desktop in 2008, AutoCAD Fusion Desktop in 2012, AutoCAD LT Desktop in 2014, AutoCAD Premium Desktop in 2017, and AutoCAD Browser in 2018.



External links

Official Web site

Category:AutoCADFriday, January 14, 2013

4 Fun Facts About The British Museum

The British Museum has about 10 million items on display, and most of them are from British history. It was built during the 18th and 19th centuries, and is considered one of the greatest museums of history in the world.

Some 4 million pieces of items are on display in this magnificent museum in London. It is a unique cultural experience, allowing you to learn about the past as well as the present of our great country.

Here are some fun facts about the British Museum:

It was established in 1753, and is considered to be one of the greatest museums of history in the world.

Some 3.5 million items are on display in the museum.

The museum was built as a library, which was later extended.

There are some 11 million artifacts on display, and about 200 million artifacts were previously on display.

The British Museum also has something called the Reading Room, which has books dating back to the 14th century. There are more than 4.5 million books in the museum.

The British Museum is also the home of the Ashmolean Museum, which was founded in 1683, and houses the Ash

AutoCAD [Mac/Win]

Note: The activation key for Autocad 2021 will be: 00000000-00000-0000-0000-000000000000

Shortcut key to run Autocad 2021

Press the following key combination while your Autocad is running:
Windows: ALT+TAB
Mac: ALT+1

Extract the files
In the Autocad folder (usually C:\Program Files\Autodesk\Autocad), press
the Extract button to extract the contents of the archive.

Note: Clicking the Extract button will not run the program.

After the extraction is completed, you will find a folder called Autocad containing the following items:
Installers (installers.exe for 32-bit installs and installers.dmg for 64-bit installs)
Doc_en.txt (includes the English version of the documentation)
REG folder (contains the registry information)

To install the software, first you need to install.NET framework v4.5 or later
To do that, go to Control Panel > Programs and Features > Click «Turn Windows Features on or off» and click on the.NET Framework 4.5 x86 or x64 link.

As part of the installation, the Autocad software will install several components and files on your computer.
Note: This installation may take some time.

Open Autocad and start working
If your Autocad trial version expires after 30 days, you will need to renew it by downloading a new version from Autodesk.
When you run Autocad for the first time, you are prompted for an activation key. This key allows Autocad to stay licensed and prevent others from using your license key. You can generate an unlimited number of keys, which are free of charge. After entering your key, Autocad will be automatically activated and ready to use. To remove the activation key, enter 0000 and your license will be disabled.

Quick start
Open the Autocad and activate it.
The next step is to create a new drawing by selecting Create drawing.
To use the drawing, select one of the existing drawings in the folder.

User interface

Open a drawing
Select File | New to open a new drawing.
Select one of the existing drawings in the folder.
Type the name of the drawing in the New drawing text box.
To edit an existing drawing, select it.

What’s New In AutoCAD?

Get feedback in two ways:

1. Create a “comment block” in a drawing to which comments may be attached, and use the comments dialog box to provide feedback on it. The block is identified by a drawing tag. You can toggle the comment visibility to display or hide the comments within the drawing, and see the comments in the comments dialog box as they are added.

2. Create a dynamic comment within a drawing to which comments can be attached.

Use Dynamic Comments to display either text comments or custom markup objects.

Print out a transcript of your drawing to a PDF or a PostScript file, and import the document into AutoCAD. If you have a printer or a mobile device, you can send comments back and forth easily.

Drawing Visibility:

Change the visibility of a drawing from off-screen to on-screen or from on-screen to off-screen. You can select multiple drawings to have the visibility be independent for each.

Simplified User Interface:

You can take the information about a drawing you want to open by clicking the workspace button and entering the drawing name to the AutoCAD command line.

No more pressing the Esc key for opening a drawing.

Include shape or location information in a drawing name to open the drawing.

Include drawing type in the name of a drawing to open the drawing.

Add comments to drawings from the command line.

Navigate with the keyboard and get graphics history.

Work with groups of drawings instead of individual drawings.

You can now import drawings from Adobe Illustrator or PDF files.

You can now import and display PDFs as a floating layer in AutoCAD.

Show “Quick Info” when you highlight a drawing in the drawing window.

One-Click Access:

When you use the Access Advanced, Quick Access or Dynamic Access menus, you can use the Start Typing feature to access and navigate any drawing in your library. You can also start a cut or copy action from the Command Line by typing the action and pressing Enter.

You can set a keyboard shortcut for any action.

Create cross-database links between drawings from within AutoCAD.

Add and modify search preferences with a new dialog box.

Navigate drawings with a tree-based user interface

System Requirements For AutoCAD:

— RealtekRTL8188CE
— Windows 10 Home (64bit)
— 3.2 GHz Intel Core i5-4590 CPU
— 4 GB RAM
— DirectX 11 video card with 1 GB VRAM
•HDMI device (A
— An HDMI 1.4 capable device capable of transmitting 1920 x 1080p resolution will be supported for television viewing (720p resolution not supported)
— A suitable HDMI audio

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