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Introduction To Auto desk AutoCAD | DAY 3

 

Learn AutoCAD basics: DAY 3

In this post we will be learning how to use the TRIM, CIRCLE command while trying to replicate the image below.

We have, in the last session, learned how to play with the LINE command and use Options of the Status bar. We will keep on playing with those features, adding up to them few others.

learn-AutoCAD

LEARNING AUTOCAD BASICS

The primary figure that will help easily replicate this exercise is the following.

learn-AutoCAD

Two circles and two Rectangles.

What is the easiest way to get to this.

  1. Create the big rectangle using the LINE command
  2. Use the Center of the top side of the triangle to create the two circles.

For step 2, you need to turn the Midpoint ON if you want to be able to find the center of that segment while creating the circle

Here is how to do it (right click on 1 and tick 2)

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Now you should be at the following point

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Trim the big circle and Erase the top side of the rectangle

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Now all we need to do is create the small Rectangle. Given dimensions given above, if we consider that the left corner of the figure is at the point of coordinates (0,0), we need to start the small rectangle at the point of coordinates (10,15)

What we will do.

  1. Move the UCS to the left down corner of the figure
  2. Start the line at the point (10,15)

HOW TO MOVE THE UCS TO THE LEFT DOWN CORNER OF THE FIGURE

  1. Type UCS
  2. Select the point
  3. Move the cursor on the x direction and click
  4. Move the cursor on the y direction and click

This is what you are supposed to get

learn-AutoCAD

Notice the UCS

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Now you can easily start the line at the point (10,15) and create the small rectangle.

EXERCISE

learn-AutoCAD

Categories
Articles Learning

Introduction To Auto desk AutoCAD | DAY 2

Learn AutoCAD basics: DAY 2

Not like the previous DAY, we are going to start learning cool things today. Not to say that DAY 1 was useless, that helped to warm up.

We have lately learn the basic basics in AutoCAD, and you should by now know the environment and I have no doubt that you are familiar with common words used here to describe stuff such as Command window, Status Bar, Navigation bar…

LEARN AUTOCAD BASICS

We will use the image below, and try learning all things we need to learn to be able to create something similar using AutoCAD.

We’ve learned a little how to use the coordinate system to create lines in AutoCAD. In this Session, we will forget a little about the Cartesian coordinate system.

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It is true that using the Cartesian coordinate system we could draw lines with specified dimension, but this method is more convenient and is the one you will be making use of in the future.

Read more about how you can create lines and play with their angle

EXECUTION

To create the image above

STEP 1

Draw the line of 80 units

  1. Click on LINE
  2. Specify the first point
  3. Make sure the ORTHO mode is ON, Move your mouse rightward, type 80 and Press Enter
  4. Press Esc

STEP 2

Start the second line from the first point of the 80 units line, and draw the second line with an inclination angle of 58 degrees.

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STEP 3

Draw the third line. It is a straight horizontal line.

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STEP 4

All you have to do now is to create a line from the 2 open points shown on the figure in step 3.

EXERCISE

Here is a good exercise that will help you practice what we have just learned. I will suggest youlearn how to use the ROTATE command in AutoCAD before trying to do the following exercise.

Autocad-tutorial

In case of difficulties, I would like you to know that I solved this step by step few days earlier.

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Articles Learning

Introduction To Auto desk AutoCAD | DAY 1

Learn AutoCAD basics: DAY 1

Welcome to Learn AutoCAD 2D basics in 21 DAYS!

Here is the first DAY. We will on this journey make use of all basic commands in AutoCAD.

The  Attempt: Handing you enough skills that you give you confidence to continue learning auto-didactically.

 

LEARNING AUTOCAD BASICS

Today we will start from what you need to know on Day 1. You need to have visited theseAutoCAD tutorial before diving into the following. (Jump this step and read further down, if you feel that you can handle the rest of the content without needing anything else, feel free to do so).

COORDINATE SYSTEM

In AutoCAD, the Drawing Area is composed by a sheet in which every location has the particularity of having its own coordinate represented by x, y and z.

Learn-AutoCAD

Since we are going to be solely working in 2D in this series, we can forget about the z component of the coordinate system.

Looking at the following image, you will notice that each corner of the figure has a coordinates.

Learn-AutoCAD

Though it is true you wont be using this a lot while drawing in AutoCAD, we will spend a minute talking about it. At this point, I will suggest you disable the Dynamic input before trying the following.

We will try creating the previous image using the coordinate system and the command window. It is simple, the concept will be to use the four points to draw the quadrilateral.

To do that using autoCAD:

1. Type LINE and Press Enter
2. Type 9,9 and Press Enter
3. Type 25,9 and Press Enter
4. Type 20,17 Press Enter
5. Type 14,17 Press Enter
6. Type 9,9 And Press Enter
7. Press Esc

The first step allows to activate the LINE command. (Learn more about the LINE command)

The second step allows to specify the starting point of the line and the same goes for next steps.

The last Step allows to Cancel the LINE command.

In AutoCAD stroking Esc (ESCAPE) allows to exit a command.

At this stage, you are not using the computer mouse, and you are require to pay close attention to the command windows while drawing. As we go, we will learn more about the command windows and how to use your mouse in AutoCAD.

EXERCISE

Use the technique we have just learned to create the following.

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Note you can start from any point.