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AutoCAD® 2008 and AutoCAD LT® 2008 Bible
book

AutoCAD® 2008 and AutoCAD LT® 2008 Bible

by Ellen Finkelstein
July 2007
Beginner
1326 pages
34h 47m
English
Wiley
Content preview from AutoCAD® 2008 and AutoCAD LT® 2008 Bible

Chapter 18. Working with Blocks and Attributes

IN THIS CHAPTER

  • Combining objects into blocks

  • Saving blocks as drawing files

  • Inserting blocks and files into drawings

  • Managing blocks and parts libraries

  • Creating and using dynamic blocks

  • Using Windows features to copy data

  • Working with attributes

As you draw, you'll find that you often need to place the same group of objects several times in a drawing. An architect needs to place windows and doors many times in a plan layout of a house. An electrical engineer places electrical symbols in a drawing again and again. A mechanical model may include nuts, bolts, and surface finish symbols many times in a drawing. Blocks are groups of objects that you save and name so that you can insert them in your drawing whenever you need them. A block is one object, regardless of the number of individual objects that were used to create it. Because it's one object, you can easily move, copy, scale, or rotate it. However, if necessary, you can explode a block to obtain the original individual objects.

A great advantage of blocks is that by changing the block definition, you can update all of the instances of that block in that drawing. Another advantage of blocks is that they reduce the size of the drawing file. A drawing stores the definition of a block only once, along with a simple reference to the block each time it's inserted, instead of storing each individual object in each block in the drawing database.

As soon as you have a block in a drawing, you can ...

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Publisher Resources

ISBN: 9780470120491Purchase book