1.4 - ACCURATE INPUT EXERCISE AND REVIEW


LESSON 1-1

INTRODUCTION TO AUTOCAD BASICS

LESSON 1-2

INTRODUCTION TO DRAWING & MODIFYING

LESSON 1-3

TRIM / EXTEND / OFFSET / OSNAPS

LESSON 1-4

ACCURATE INPUT EXERCISE

LESSON 1-5

SELECTING OBJECTS IN AUTOCAD

LESSON 1-6

MOVE / COPY / STRETCH / MIRROR

LESSON 1-7

ROTATE / FILLET / CHAMFER / ARRAY

LESSON 1-8

LAYERS / DIMENSIONING / TEXT / SCALE

LESSON 1-9

DDE AND OBJECT TRACKING

LESSON 1-10

CHANGING THE PROPERTIES OF OBJECTS

LESSON 1-11

ZOOMING AND PANNING

LESSON 1-12

ORTHOGRAPHIC PROJECTION

LESSON 1-13

SECTION VIEWS


Topics covered in this Lesson:

Review and practice of accurate input

 

Now it's time to see if you were paying attention in the first lesson. In this lesson you will complete a drawing that will test your knowledge of drawing accurately using different types of precision input. Clients expect 100% accurate drawings from YOU. It is up to the YOU to ensure that YOU have the ability to draw quickly and accurately. There is no room for error when drafting, as you need to read accurately, transfer the numbers to AutoCAD accurately and draw accurately. It is the job of this exercise to help you learn to draw accurately - speed will come only through practice.

 

You can download the DWG file HERE and view the image HERE



Print the file out and try to reproduce it. Start at the bottom left corner (1,1). Use the drawing tools you have learned in the previous lessons. You will have to use a combination of absolute, relative, and polar coordinate input.

 

Assignment 3

 

 

Open AutoCAD and set up the drawing as you have for the previous assignments using a template.

 

Complete the assignment by drawing it accurately using the dimensions provided.

 

If you make an error along the way, remember that you can use your ENDPOINT Osnap to begin where you left off.

 

Save your drawing as Assignment_3.dwg.

 

Print your drawing using the guidelines given in the previous assignments.

The following is a list of all the commands required to complete Assignment 3. If your results are different than the sample drawing file, check your input against these. Press the F2 key to see your input. (Press F2 to close the text screen).

 

NOTE: If you are using AutoCAD R14 (or earlier), your command line may look different, but the input will still be the same.

Remember to press <ENTER> after entering each co-ordinate point. A video that shows these steps can be played below.

 

Command: L LINE

From point: 1,1

Specify next point or [Undo]: 4.1,1

Specify next point or [Undo]: 4.5,2.2

Specify next point or [Close/Undo]: @2.3,0

Specify next point or [Close/Undo]: @1.4<30

Specify next point or [Close/Undo]: @0,2.1

Specify next point or [Close/Undo]: @1.6<120

Specify next point or [Close/Undo]: @-1.3,0

Specify next point or [Close/Undo]: @0,-1.4

Specify next point or [Close/Undo]: @2.2<135

Specify next point or [Close/Undo]: @-1,0

Specify next point or [Close/Undo]: @1.5<225

Specify next point or [Close/Undo]: @-1,0

Specify next point or [Close/Undo]: @2.3<-60

Specify next point or [Close/Undo]: 1,1

 

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Video: Assignment 3

 

 

As mentioned earlier, AutoCAD is accurate. It is up to the user to ensure that they give the proper input to make sure that the drawing is accurate. It can be extremely costly to make mistakes with what seem to be 'minor' errors in accuracy.

 

By this point in the tutorials, you should able to do the above drawing without referencing other materials. If this isn't the case, you should review the previous lessons. Here are two more practice exercises to work on your input and drawing skills.

 

Extra Practice: Copy this drawing - extra_005.gif



 

Video: Exercise 5

 

Video: Exercise 6

 

 

 

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For Further Thought:

After showing you new things for the first three lessons, why am I already making you review those concepts?
One simple reason: because they are important! I want everyone to make sure they get solid foundation. I'm not there to force you to practice, but I can do my best to remind you!
Do you think if you drew this shape 5 times in a row you would get faster? Learning AutoCAD is all about repetition and learning a little more each time. If you draw this 5 times in a row, you might discover a shortcut on certain segments - and those shortcuts add up.


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