Moving from 2D to 3D CAD for Engineering Design: Challenges and Opportunities Review

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Moving from 2D to 3D CAD for Engineering Design: Challenges and Opportunities ReviewI've been doing engineering design for a long time, mostly electrical, but some mechanical stuff here and there. I've done plenty of 2D mechanical drawings. What I was looking for was a book that explained the core differences between AutoCAD-like 2D drafting and the new wave of 3D parametric modeling tools. I wanted an overview of when to use 3D, and when 2D would be quicker. I was hoping for some guidance as to how to approach the modeling of a large assembly in 3D. Some tips for real-world designs, like the thought process to be used when modeling sheet metal assemblies. Do you leave every screw, nut and bolt used to cut holes in the drawing for use on the BOM, or leave them out because they clutter 2D views? Stuff like that. Instead, what this book delivers is breathless prose extolling the superiority of 3D CAD over 2D CAD over and over again. To be fair, the first 5 chapters do a decent job of covering some of the advantages of 3D CAD and the associated workflow, using the usual cylinders and rectangular solids. However, the text is constantly proclaiming "See how easy this is compared to 2D CAD?" Well, no, not really. How do I add 2 degrees of mold relief on that cylinder parametrically? And this leads into what I really hate about this book: the author's answer to that question is: "take college courses, get workplace training, etc. etc" and he spends the last 80 pages explaining the advantages of doing that. Well, sir, I was hoping this BOOK I purchased might contain a little more depth. No such luck.
If you're an IT person or management type who wants to know why your engineers are requesting or need a 3D CAD system, this book is great for bringing a non-technical type up to speed. If you're an engineer trying to figure out how to be productive on a 3D CAD system, well, I guess you'd better take one of the author's college courses, or wait until someone publishes a truly useful book.Moving from 2D to 3D CAD for Engineering Design: Challenges and Opportunities Overview

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