Topics: Cartesian coordinate system, Polar coordinate system, Analytic geometry Pages: 13 (3433 words) Published: February 24, 2013
AutoCAD 2013 Tutorial - First Level: 2D Fundamentals
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u k am yo es Ex e s od e a r ut ia t e p e A oc Pr th ss A r fo e d tifi er C

Randy H. Shih

Multimedia DVD

P U B L I C AT I O N S

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Video presentations of selected tutorials and exercises

Schroff Development Corporation

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Chapter 1

♦ Create and Save AutoCAD drawing files ♦ Use the AutoCAD visual reference commands ♦ Draw, using the LINE and CIRCLE commands ♦ Use the ERASE command ♦ Define Positions using the Basic Entry methods ♦ Use the AutoCAD Pan Realtime option

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AutoCAD Certified Associate Examination Objectives Coverage
This table shows the pages on which the objectives of the Certified Associate Examination are covered in Chapter 1.

Section 1: Controlling the Display in Drawings
Precision...........................................................................1-4 Zoom Extent.....................................................................1-5 Drawing LIMITS ............................................................1-5 Status Bar .........................................................................1-10 GRID Display ..................................................................1-10, 1-11 PAN Realtime ..................................................................1-20

Section 2: Creating Basic Drawings
Format ..............................................................................1-5 Units Setup ......................................................................1-5 LINE command................................................................1-8 Coordinates ......................................................................1-8 Interactive Input method ..................................................1-9 SNAP Option ...................................................................1-10 World space .....................................................................1-15 User coordinate system ....................................................1-15 World coordinate system .................................................1-15 UCS icon Display ............................................................1-16 TTR, circle .......................................................................1-16 Relative Coordinate .........................................................1-17 Coordinate systems ..........................................................1-17 Cartesian coordinate system ............................................1-17 Absolute coordinates........................................................1-17, 1-18 Positions, defining............................................................1-18 LINE, Close option ..........................................................1-19 CIRCLE command...........................................................1-23 TTT, circle .......................................................................1-23 ARC command ………………………………………... 1-33

Certified Associate Reference Guide

Section 3: Manipulating Objects
ERASE command ...........................................................1-13 Selection window.............................................................1-14

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Introduction
Learning to use a CAD system is similar to learning a new language. It is necessary to begin with the basic alphabet and learn how to use it correctly and effectively through practice. This will require learning some new concepts and skills as well as learning a different vocabulary. Today, the majority of the Mechanical CAD systems are capable of creating three-dimensional solid models. Nonetheless, all CAD systems create designs using basic geometric entities and many of the constructions used in...