3d AutoCAD Contents

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AutoCAD

2010

Autodesk Official Training Guide

Intermediate

Learning AutoCAD3DUsing hands-on exercises, explore the fundamental concepts andworkflows for creating 3D models.


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2009 Autodesk, Inc. All rights reserved.

Except as otherwise permitted by Autodesk, Inc., this publication, or parts thereof, may not be reproduced inany form, by any method, for any purpose.

Certain materials included in this publication are reprinted with the permission of the copyright holder.

Trademarks

The following are registered trademarks or trademarks of Autodesk, Inc. , and/or its subsidiaries and/or affiliates in the USAand other countries: 3DEC (design/logo), 3December, 3December.com, 3ds Max, ADI, Algor, Alias, Alias (swirl design/logo),AliasStudio, Alias|Wavefront (design/logo), ATC, AUGI, AutoCAD, AutoCAD Learning Assistance, AutoCAD LT, AutoCADSimulator, AutoCAD SQL Extension, AutoCAD SQL Interface, Autodesk, Autodesk Envision, Autodesk Intent, AutodeskInventor, Autodesk Map, Autodesk MapGuide, Autodesk Streamline, AutoLISP, AutoSnap, AutoSketch, AutoTrack,Backburner, Backdraft, Built with ObjectARX (logo), Burn, Buzzsaw, CAiCE, Can You Imagine, Character Studio, Cinestream,Civil 3D, Cleaner, Cleaner Central, ClearScale, Colour Warper, Combustion, Communication Specification, Constructware,Content Explorer, Create>whats>Next> (design/logo), Dancing Baby (image), DesignCenter, Design Doctor, DesignersToolkit, DesignKids, DesignProf, DesignServer, DesignStudio, Design|Studio (design/logo), Design Web Format, Discreet,

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Disclaimer

THIS PUBLICATION AND THE INFORMATION CONTAINED HEREIN IS MADE AVAILABLE BY AUTODESK, INC. AS IS.AUTODESK, INC. DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIEDWARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE REGARDING THESE MATERIALS.

Published by:Autodesk, Inc.111 Mclnnis ParkwaySan Rafael, CA 94903, USA


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iv Contents

Lesson: Introduction to Free-Form Design .................................................... 82

About Free-Form Design ..................................................................... 83

Using Free-Form Design ...................................................................... 85

Exercise: Use Free-Form Design .......................................................... 88

Chapter2:ModelingWorkflow.................................................................... 93

Lesson: Creating Models from 2D Profiles .................................................... 94

About Models from 2D Profiles .......................................................... 95

About the Right-Hand Rule of Rotation .............................................. 98

About Choosing a Model Creation Method ........................................ 99

Creating a Model Using the Extrude Command .................................. 99

Creating a Model Using the Loft Command ...................................... 102

Creating a Model Using the Planar Surface Command ..................... 105

Creating a Model Using the Polysolid Command .............................. 107

Creating a Model Using the Revolve Command ................................ 109

Creating a Model Using the Sweep Command ................................. 111Creating a Model Using the Presspull Command .............................. 114

Creating a Helical Path ...................................................................... 117

Exercise: Create Solid Models from 2D Profiles ................................ 119

Exercise: Create Sweeps .................................................................... 122

Lesson: Using Booleans on Solid Models .................................................... 124

About Composite Solids .................................................................... 125

Creating Solids Using Union .............................................................. 128

Creating Solids Using Subtract .......................................................... 129

Creating Solids Using Intersect ......................................................... 131

Checking Interference ....................................................................... 132

Exercise: Create Composite Solids - Mechanical ............................... 136

Exercise: Create Composite Solids - Architectural ............................. 140

Lesson: Creating Composite Models ........................................................... 144

About Composite Models ................................................................. 145

Creating Composite Models .............................................................. 148

Using Boolean Operations in Composite Models .............................. 151

Exercise: Create a Composite Model ................................................ 156

Exercise: Use Booleans in an Architectural Model ............................ 159

Lesson: Extracting Geometry from Solid Models ........................................ 162

Copying Faces .................................................................................... 163

Copying Edges ................................................................................... 164

Extracting All Model Edges ............................................................... 165

Exploding 3D Models ........................................................................ 166Exercise: Extract Geometry from Solid Models ................................. 167

Lesson: Getting Information from 3D Objects ............................................ 170

Checking Solid Model Integrity ......................................................... 171

Viewing Mass Properties .................................................................. 172

Exercise: Get Information from 3D Objects ...................................... 174


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Contents v

Chapter3:EditingModels......................................................................... 177

Lesson: Adding Detail to Your Solid Models ................................................ 178

Filleting Solid Models ........................................................................ 179

Chamfering Solid Models .................................................................. 181

Slicing a Solid Model ......................................................................... 184Exercise: Create 3D Fillets and Chamfers .......................................... 187

Exercise: Slice a Solid Along a Plane ................................................. 190

Lesson: Editing Solid Models ....................................................................... 192

Extruding Faces ................................................................................. 193

Moving Faces .................................................................................... 195

Offsetting Faces ................................................................................. 196

Deleting Faces ................................................................................... 198

Rotating Faces ................................................................................... 199

Tapering Faces ................................................................................... 201

Creating a Shell ................................................................................. 203

Imprinting Edges ............................................................................... 204Separating Solids ............................................................................... 205

Changing Face Color ......................................................................... 207

Changing Edge Color ......................................................................... 208

Slicing Solids ...................................................................................... 210

Exercise: Edit Solid Models ............................................................... 212

Exercise: Edit Solids to Create Complex Shapes ................................ 216

Lesson: Manipulating the Model ................................................................ 218

About Solid History and Editing Methods ......................................... 219

About Grip Editing Solid Models ....................................................... 221

Editing Sub-Objects ........................................................................... 224

Manipulating Objects with the 3D Gizmo ......................................... 226

Aligning in 3D .................................................................................... 235Exercise: Edit Solids Using Grips and Sub-Object Selection ............... 237

Exercise: Manipulate the Models - Mechanical ................................ 239

Exercise: Manipulate the Models - Architectural .............................. 242

Lesson: Duplicating the Model .................................................................... 245

Mirroring in 3D ................................................................................. 246

Arraying in 3D ................................................................................... 248

Exercise: Mirror Objects in 3D .......................................................... 252

Exercise: Array Objects in 3D ............................................................ 254

Lesson: Converting 2D Objects ................................................................... 256

About Converting 2D Objects to Solids or Surfaces .......................... 257

Converting to Solids .......................................................................... 258Converting to Surfaces ...................................................................... 260

About Thickening Surfaces into Solids .............................................. 261

Thickening Surfaces to Solids ............................................................ 262

Exercise: Convert Objects ................................................................. 264


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vi Contents

Lesson: Basic Mesh Modeling ..................................................................... 267

Editing Meshes .................................................................................. 268

Smoothing Meshes ........................................................................... 273

Creasing Meshes ............................................................................... 277

Subobject Edits ................................................................................. 279Exercise: Edit Mesh Surfaces ............................................................. 286

Chapter4:SectioningaModelandCreatingDrawings.............................. 291

Lesson: Section a Solid Model and Generate 2D Geometry ........................ 292

About Flattened Views ...................................................................... 293

Displaying 2D Geometry from a Model View .................................... 294

Creating Simple Sections ................................................................... 297

Creating Section Planes .................................................................... 299

Manipulating Section Planes ............................................................. 301

Generating 2D/3D Sections ............................................................... 304

Exercise: Create Cross Sections and Slice Geometry ......................... 309Exercise: Flatten a View .................................................................... 312

Exercise: Define Section Planes ........................................................ 315

Exercise: Draw a Section Plane ......................................................... 318

Lesson: Creating Drawings from 3D Models ............................................... 321

Types of Views from 3D Models ....................................................... 322

Shaded and Hidden Views ................................................................ 325

Creating Views from Flatshots and Sectionplanes ............................ 326

Exercise: Create Layouts of 3D Models - Mechanical ........................ 328

Exercise: Create a Section Plane Layout View ................................... 331

Exercise: Create Layouts of 3D Models - Architectural ...................... 334

Chapter5:Visualization............................................................................. 339

Lesson: Using Visual Styles ......................................................................... 340

About Visual Styles ........................................................................... 341

Using the Visual Styles Manager ....................................................... 343

Using the Visual Styles Panel ............................................................ 345

Exporting Visual Styles ...................................................................... 348

Exercise: Use and Create Visual Styles .............................................. 352

Exercise: Apply Visual Styles to Layout Views ................................... 356

Lesson: Using Lights .................................................................................... 358

About Lighting ................................................................................... 359

Adding Lights to a Scene ................................................................... 361

Editing Lights in a Scene ................................................................... 364Exercise: Work with Lights in a Scene - Architectural ........................ 373

Exercise: Work with Lights in a Scene - Mechanical .......................... 376

Lesson: Using Materials .............................................................................. 380

About Materials ................................................................................ 381

Working with Predefined Materials .................................................. 383

Creating and Editing Materials .......................................................... 386

Exercise: Add Materials to Your Scene - Architectural ...................... 395

Exercise: Add Materials to Your Scene - Mechanical ......................... 398


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Contents vii

Lesson: Using the Sun ................................................................................. 401

About the Sun ................................................................................... 402

About the Render tab ....................................................................... 403

Specifying Your Scene's Geographic Location ................................... 405

About the Sun Properties Palette ..................................................... 410Exercise: Use the Sun ........................................................................ 416

Lesson: Rendering ....................................................................................... 419

About the Rendering Environment and Render Presets .................... 420

Rendering Views, Cropped Regions, and Selected Objects ............... 421

About the Render Window and Image Information .......................... 423

Render Output Size and Format ....................................................... 426

Advanced Rendering ......................................................................... 429

Exercise: Render an Architectural Scene ........................................... 432

Exercise: Render a Mechanical Scene ............................................... 434

Lesson: Navigating the Model ..................................................................... 437

Walking and Flying Through a Model ............................................... 438Recording an Animation .................................................................... 443

Using Animation Paths ...................................................................... 445

Exercise: Walk Through a Model and Create a Path Animation ......... 448

Lesson: Leveraging Cameras and Views ...................................................... 451

About Cameras .................................................................................. 452

Creating Cameras and Views ............................................................ 453

Activating and Managing Camera Views ........................................... 458

Viewing ShowMotion Presentations ................................................. 464

Creating Views for Presentation with Show Motion ......................... 466

Exercise: Create Camera Views ......................................................... 469

Exercise: Use ShowMotion ................................................................ 473

Chapter6:DownstreamUsesforYourDigitalPrototype........................... 477

Lesson: 3D Printing ..................................................................................... 478

About 3D Printing ............................................................................. 479

3D Printing ........................................................................................ 481

Exercise: Create a 3D Print ............................................................... 484

Appendix .................................................................................................... 487


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viii Acknowledgements

Acknowledgements

The Autodesk Learning team wishes to thank everyone who participated in thedevelopment of this project, with special acknowledgement to the authoringcontributions and subject matter expertise of Ron Myers and CrWare, LP.

CrWare, LP began publishing courseware for Autodesk Inventor in 2001. Sincethat time, the company has grown to include full-time curriculum developers,subject matter experts, technical writers, and graphics specialists, each with aunique set of industry experiences and talents that enables CrWare to createcontent that is both accurate and relevant to meeting the learning needs of itsreaders and customers.

The company's Founder and General Partner, Ron Myers, has been usingAutodesk products since 1989. During that time, Ron Myers worked in alldisciplines of drafting and design, until 1996 when he began a career as anApplications Engineer, Instructor, and Author. Ron Myers has been creatingcourseware and other training material for Autodesk since 1996 and has writtenand created training material for AutoCAD, Autodesk Inventor, AutoCADMechanical, Mechanical Desktop, and Autodesk Impression.


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ix

Introduction

Welcome to theAutoCAD2010:LearningAutoCAD3D training guide for use in Authorized TrainingCenters (ATC) locations, corporate training settings, and other classroom settings.

Although this guide is designed for instructor-led courses, you can also use it for self-paced learning.The guide encourages self-learning through the use of the AutoCAD Help system.

This introduction covers the following topics:

Course objectives

Prerequisites

Using this guide

CD contents

Completing the exercises

Installing the exercise data files from the CD

Imperial and metric datasets

Notes, tips, and warnings

Feedback

This guide is complementary to the software documentation. For detailed explanations of features andfunctionality, refer to the Help in the software.

CourseObjectives

After completing this guide, you will be able to:

Work within the 3D environment and represent a design by creating solid or mesh primitives.Begin working with free-form organic meshes.

Create advanced solid, surface or mesh models from 2D profiles. Create composite models usingbooleans, and extract information from those models.

Complete a solid model design by adding the necessary features to detail, duplicate, and position3D models. Also to convert 2D objects to 3D objects. Use subdivision mesh editing to manipulateand mold free-form meshes.

Document a 3D design by creating 2D drawings for production and visualization.

Communicate your design ideas using visual styles, lights, model walk-through tools, andrenderings.

Output your 3D model to a 3D printer.

Documents

3d AutoCAD Contents