Table of Contents
Introduction ..............1
Part I: Introducing AutoCAD.........5
Chapter 1: AutoCAD and the User Interface .......7
Launching
AutoCAD...................................................................................................................7
Navigating the User Interface ...................................................................................................9
Giving AutoCAD Directions.....................................................................................................19
Sending an S.O.S. to AutoCAD ................................................................................................22
Drawing window.............................................................................................................10
Command Line window .................................................................................................12
Text window....................................................................................................................12
Status bar ........................................................................................................................12
Status bar tray ................................................................................................................14
Toolbars...........................................................................................................................16
Menus...............................................................................................................................17
Dockable windows .........................................................................................................17
It's all in the name ..........................................................................................................19
Repeating a command ...................................................................................................20
Canceling the current command..................................................................................20
Dynamic input.................................................................................................................21
Dialog boxes....................................................................................................................21
Online help......................................................................................................................22
InfoCenter........................................................................................................................22
Turning to the World Wide Web ...................................................................................24
Answers to Practice Opportunities .......................................................................................24
Chapter 2: Working with Drawing Files...........................................................................25
Creating a New Drawing ..........................................................................................................25
Drawing templates .........................................................................................................26
Starting from scratch.....................................................................................................27
Calling upon the wizard.................................................................................................28
Opening an Existing Drawing..................................................................................................28
Navigating Drawing Windows.................................................................................................30
Saving Drawings .......................................................................................................................31
Closing Drawings......................................................................................................................36
Archiving and Backing Up Drawings .....................................................................................37
Recovering a Drawing..............................................................................................................39
Answers to Practice Opportunities .......................................................................................42
Chapter 3: Customizing Your Work Environment ............................................................43
Setting Up Drafting Options....................................................................................................43
Password-protecting your documents ........................................................................32
Attaching a digital signature.........................................................................................34
Files tab ...........................................................................................................................45
Display tab ......................................................................................................................45
System tab.......................................................................................................................47
Drafting tab .....................................................................................................................49
3D Modeling tab..............................................................................................................50
Profiles tab ......................................................................................................................51
viii AutoCAD 2008 3D Modeling Workbook For Dummies
Using Workspaces....................................................................................................................53
Customizing AutoCAD and Its User Interface.......................................................................56
Answers to Practice Opportunities .......................................................................................58
Part II: Going from 2D to 3D .......................................................59
Chapter 4: Transitioning from 2D to 3D .............................................................................61
3D Modeling Types Available in AutoCAD ............................................................................61
Workspace settings ........................................................................................................54
Customizing the user interface.....................................................................................56
Other methods of customizing AutoCAD....................................................................57
Going Above the Plane ............................................................................................................63
Working with the Coordinate Systems ..................................................................................70
Wireframe model ............................................................................................................61
Surface model .................................................................................................................62
Solid model......................................................................................................................62
Entering coordinate values at the command prompt................................................63
Object snaps ...................................................................................................................66
Object snap tracking......................................................................................................68
Point filters......................................................................................................................69
Elevating (not levitating) objects.................................................................................70
Understanding the coordinate systems .....................................................................71
Getting your bearings from the UCS icon ...................................................................71
Customizing the display of the UCS icon ...................................................................73
Modifying the UCS .........................................................................................................75
Manipulating the UCS dynamically ..............................................................................76
Answers to Practice Opportunities .......................................................................................77
Chapter 5: Viewing a 3D Model .........................................................................................79
Establishing the Point of View................................................................................................80
Standard Viewing Mechanics..................................................................................................83
Advanced Viewing Mechanics................................................................................................88
Setting the Stage: Cameras and Backgrounds ......................................................................91
Orthogonal viewpoints..................................................................................................80
Isometric viewpoints .....................................................................................................80
Using the Viewpoint Presets dialog box......................................................................81
Accessing the tripod and compass to find your way ................................................82
Zooming and panning ....................................................................................................83
Orbiting............................................................................................................................85
Looking at a model from two different ways ..............................................................87
Configuring Fly and Walk...............................................................................................89
Navigating with Fly and Walk........................................................................................89
Named views...................................................................................................................92
Cameras...........................................................................................................................94
Backgrounds ...................................................................................................................96
Giving Your 3D Models Style (Fashion Tips Not Included).................................................98
Controlling the Display Quality of 3D Solids ......................................................................102
Answers to Practice Opportunities .....................................................................................105
Chapter 6: Taking the Plunge into 3D..............................................................................107
Getting Started: Creating Your First 3D Model ...................................................................107
Grid and snap................................................................................................................108
Limits .............................................................................................................................110
Layers ............................................................................................................................111
Table of Contents ix
Blurring the Lines between 2D and 3D................................................................................113
Modeling with Regions ..........................................................................................................119
Modifying 3D Objects ............................................................................................................123
3D polyline ....................................................................................................................113
Helix ...............................................................................................................................114
Making 3D objects out of 2D objects .........................................................................116
Creating regions............................................................................................................119
Modifying regions.........................................................................................................120
Getting information from a region..............................................................................122
3D Move.........................................................................................................................124
3D Rotate .......................................................................................................................125
3D Align and Align ........................................................................................................126
Mirror 3D .......................................................................................................................128
3D Array.........................................................................................................................129
Answers to Practice Opportunities .....................................................................................131
Chapter 7: Additional Exercises: Making the Transition ............................................133
Navigating a 3D Model...........................................................................................................133
Taking a 2D Drawing and Creating a 3D Part ......................................................................135
Part III: 3D Modeling - Solid Modeling.....................................139
Chapter 8: Modeling with Solids .....................................................................................141
Working with 3D Solids..........................................................................................................141
Solids that Follow the Straight (And Narrow) ....................................................................143
Solids with Curves .................................................................................................................148
Nothing Complex about These Solids .................................................................................153
Primitive solids.............................................................................................................141
Complex solids .............................................................................................................142
Box .................................................................................................................................143
Wedge.............................................................................................................................144
Pyramid .........................................................................................................................145
Polysolid........................................................................................................................147
Sphere............................................................................................................................148
Cylinder .........................................................................................................................149
Cone ...............................................................................................................................150
Torus..............................................................................................................................151
Add some of this and remove a little of that ............................................................153
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