3D Printing with Autodesk   Create and Print 3D Objects with 123D, AutoCAD, and Inventor   Create amazing 3D-printable objects fast with Autodesk 123D! Imagine it. Then print it! Autodesk 123D gives you all the tools you need and it’s free. This easy, full-color guide will help you fully master 3D printing with Autodesk 123D even if you’ve never done any of this before. Authors John Biehler and Bill Fane have helped thousands of people join the 3D printing revolution—now it’s your turn. With step-by-step photos and simple projects, they teach you how to make the most of the whole 123D suite on Windows, Mac, and iPad. New to 3D printing? You’ll learn pro techniques for creating models that print perfectly the first time. Want to start fast? Discover how to scan photos straight into your models. Don’t have a 3D printer? Learn how to work with today’s most popular 3D printing services.   John Biehler discovered 3D printing several years ago and built his first 3D printer shortly thereafter. Since then, he’s shared his 3D printing knowledge with thousands of people at live events throughout Canada and the Pacific Northwest and through online and broadcast media. He co-founded Vancouver’s fastest-growing group of 3D printing enthusiasts.   Bill Fane, an Autodesk Authorized Training Centre (ATC) certified instructor, has designed with AutoCAD since 1986. Fane has lectured on AutoCAD and Inventor at Autodesk University since 1995, and at Destination Desktop since 2003. He has written 220 The Learning Curve AutoCAD tutorials for CADalyst and holds 12 patents.   From start to finish, 3D Printing with Autodesk 123D covers all you need to know. So stop waiting and start creating! Quickly get comfortable with the 123D workspace and key features Learn the essentials of effective 3D object design Practice 3D design hands-on with simple guided exercises Generate detailed models from photos with 123D Catch Create new 3D character “monsters” with 123D Creature Prepare any 3D model for successful printing Move from existing 3D CAD tools (if you’ve ever used them) Design parts that are easy to print, and multi-part models that can be printed “pre-assembled” Print through leading 3D printing services such as Shapeways, Ponoko, Fablab, and Hackerspaces    

Table of Contents:
Chapter 1 The Rise of 3D Printing 1 3D Printing Will Change the World 2   Chapter 2 Basic Principles of 3D Printing 5 How 3D Printing Works 5     Layered Approach to 3D Printing 5     Printing Time for Layers 17         A More Realistic 3D Printing Example 18 Two Basic Types of Printers 20     Deposition—Deposit This… 20     Fusion—Take This Material And Stick It… 20     Stacking Up: The Third Type of 3D Printing Process 21 Pros and Cons of 3D Printing Processes 21     Pros and Cons of Deposition Printers 21     Pros and Cons of Fusion Printers 24 Summary 24   Chapter 3 123D Creature for iPad 25 Creating a Creature 26     Adding Bones and Joints 30         Moving the Model 31     Sculpting Your Creature 32 Working with Control Options 34     Sharing Your Creature 45 Summary 50   Chapter 4 Creating 3D Objects with Cameras and 123D Catch 51 Photographing Objects 52 Correcting the Model 56     Orienting the Model 59     Repairing the Model 60 Summary 62   Chapter 5 Introducing 123D Design for iPad 63 123D Design Interface 65     Primitives Parts 66     Parts Kit Library 68         Rotate Tool 70         Scale Tool 70         Adjust 71         Combine Tools 74         Reshape Tools 76         Take a Picture Option 80     Object Editing Tools 80 Project/File Menu Options 82     Projects and Galleries 83     Additional Support 83     Saving to the Cloud 84     Camera View 85 Summary 85   Chapter 6 123D Design Exercises for iPad 87 Creating New Projects 87     Scaling and Smoothing Edges 91     Using the Chamfer Tool 94 Manipulating Existing Projects 96     Aligning the Model 100     Finishing the Model 103 Sending a File to a 3D Printer 105 Summary 106   Chapter 7 Workspace Basics of 123D Design for Mac and PC 107 123D Design Templates 108 Starting a New Project 109     Toolbar Controls 111     Menu Options 113 Summary 120   Chapter 8 123D Design Exercises for Mac and PC 121 Exercise: Create a Coffee Mug 122     Making the Mug Handle 129 Exercise: Create a Business Card Holder 140 Summary 149   Chapter 9 Preparing 3D Models for Printing 151 Code Used for Printing a 3D Model 152 Scale and Dimension 155 Manifold Geometry 156 Orientation 158     Adding Support Material 159     Place Good Side of Model Against Print Bed 160     Consider Print Orientation 160 Summary 161   Chapter 10 The Difference Between Surface and Solid Models 163 The Solid Facts About CAD 163 Animated 3D CAD Models 166 Show Me Some Skin Models 168 AutoCAD Versus Inventor 171 Summary 172   Chapter 11 Why and How to Use 3D Printing 173 What Can Possibly Go Wrong, Go Wrong, Go Wrong… 173     Using 3D Prototypes to Verify Designs 176 Manufacturing Small Quantities with 3D Printing 181 Creating Metal Parts with 3D Printing 182 Allowing for Shrinkage 183     Using 3D Printing for Large Parts 184 Summary 184   Chapter 12 Designing Easy-to-Print Parts 185 Design Versus Make—Know the Process 185     We Can Do This the Hard Way… 187     …Or We Can Do This the Easy Way 189 Helpful Hints to Minimize Problems 191     Size of the Little Details Matters 192     No Visible Means of Support 192         Fusion-Type Printers 194         Deposition-Type Printers 194 Creating Usable 3D-Printable Threads 196 Solutions to 3D Printing Large Objects 197 Summary 198   Chapter 13 Designing Multipart Models to Print Preassembled 199 Effects of Printer Resolution on Parts 199     Using Derived Part Functionality 200 Resolving Interference Problems 203     Problems Unique to AutoCAD 203     Issues with Ball and Roller Bearings 203         Ball and Bearing Solutions 205 Considerations Before Using 3D Printing for Parts 208     When Not to Use 3D Printing 209 Summary 211   Chapter 14 Exporting Models to a 3D Printer 213 Exporting STL Files 213     Using Inventor to Export Files 213     Using AutoCAD to Export Files 215     Scale 216     Optional Extras 217         Resolution Setting Options 219         Assemblies as Separate Files Option 219 Viewing STL Parts 220     Inventor 2013 Users, Do NOT Try This at Home 220         Inventor 2014’s Own File Naming Quirk 221     Using STL Files to Translate CAD Models 222 Something Completely Nerdy 222     The STL File Format Explained 222         The Three Sides of STL Files 224     G-Code Used to Send STL Files 225 Summary 227   Chapter 15 Using Inventor to Print Directly to Third-Party 3D Printing Services 229 Connecting to a Third-Party Print Service 229     Options for 3D Printing 232 More Inventor STL Export Options 232     3D Print Preview Button Bar Options 234     Using the Assembly One File Option 237 Summary 239   Chapter 16 Using a Third-Party 3D Printing Service Bureau 241 Reasons to Use a Third-Party Service Bureau 241     Capability of Service Bureau Machines 242     Players in the Third-Party Service Arena 242 Uploading 3D Projects to Third-Party Services 242     Ordering a 3D Print 242         Using the Edit Details Tab 247 Pricing and Materials Options 249     Checkout Options 252 Summary 252   Chapter 17 The Future of 3D Printing 253 The Future According to Bill 253 The Future According to John 255   Index 257