Book Image

Practical Autodesk AutoCAD 2021 and AutoCAD LT 2021

By : Yasser Shoukry, Jaiprakash Pandey
Book Image

Practical Autodesk AutoCAD 2021 and AutoCAD LT 2021

By: Yasser Shoukry, Jaiprakash Pandey

Overview of this book

AutoCAD and AutoCAD LT are one of the most versatile software applications for architectural and engineering designs and the most popular computer-aided design (CAD) platform for 2D drafting and 3D modeling. This hands-on guide will take you through everything you need to know to make the most out of this powerful tool, starting from a simple tour of the user interface through to using advanced tools. Starting with basic drawing shapes and functions, you'll get to grips with the fundamentals of CAD designs. You’ll then learn about effective drawing management using layers, dynamic blocks, and groups and discover how to add annotations and plot like professionals. The book delves into 3D modeling and helps you convert your 2D drawings into 3D models and shapes. As you progress, you’ll cover advanced tools and features such as isometric drawings, drawing utilities for managing and recovering complex files, quantity surveying, and multidisciplinary drawing files using xRefs, and you'll learn how to implement them with the help of practical exercises at the end of each chapter. Finally, you’ll get to grips with rendering and visualizing your designs in AutoCAD. By the end of the book, you’ll have developed a solid understanding of CAD principles and be able to work with AutoCAD software confidently to build impressive 2D and 3D drawings.
Table of Contents (17 chapters)

Modifying 3D Objects

The commands used in the creation of 3D solid objects were discussed in the previous two chapters. In practice, most 3D models cannot be created using a single step of object creation. The reason for this is the fact that practical 3D models can be complicated and rich in detail. Hence, the real-life modeling process involves the creation of simple 3D objects that are close to the desired final shape, and then combining/modifying the simple objects that have been created and adding details to them using the modify commands. The set of modify commands starts with simple object manipulation, such as moving or rotating the object, the performance of standard Boolean operations, such as combining and subtracting, and a set of other specialized editing commands, as we will see in detail in this chapter.

So, to sum up, by the end of this chapter, we will be able...