DAY 18, a lot must have happened by now. We wish you have been learning something valuable since the beginning of the series.

Here comes one of the easiest one of the series. You will agree with us that if this exercise appeared earlier that would look more difficult than it looks at this point. With all you have accomplished so far, this should be a piece of cake, just helping you retrain some of the stuff you have been learning here with the Learn AutoCAD Basics in 21 Days series.

In this session, it will be required to use the ROTATE command and the OFFSET command a lot.

Figure 2

The following figure is the exercise without annotation.

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List of all current sessions of Learn AutoCAD Basics in 21 DAYS

DAY 1

You will learn how to use the coordinate system to create objects in AutoCAD.
DAY 2
Learn how to perfectly make use of the LINE command in AutoCAD, and acquire the mastery of this command.
You will be able to challenge yourself with a couple of AutoCAD exercises, and you will be taught step by step how to solve them.
Learn how to play with angles in AutoCAD.
DAY 3
Learn how to create circles in AutoCAD using the CIRCLE command and master the UCS command.
The UCS will help you place objects appropriately in the drawing window while working on projects. It is important at this point to have mastered the coordinate system, and this one will further make you sink the DAY 1 into your brain.
DAY 4
You will have one more exercise that will help you practice with the UCS command.
On top of that, you will be learning the FILLET command and will have the opportunity to perhaps work with the POLAR TRACKING Mode.
In this session you will also be pushed to use the MIDPOINT feature of the Object Snap Setting
DAY 5
You will learn how to play with the POLYGON command in AutoCAD. Creating Circumscribed around a circle and inscribed in a circle polygons with different number of sides.
You will also have another opportunity to practice the CIRCLE, the LINE command and the TRIM command in AutoCAD
DAY 6
You will learn how to use the ARRAY command to solve complex problems while working with AutoCAD.
In this session, you will make heavy use of the CIRCLE command and the FILLET command, but you will have to do all this after getting the ARRAY command right.
DAY 7
You will learn how to use the OFFSET command appropriately in AutoCAD.
It is to be noted that previously earned knowledge will be crucially needed to be able to keep up moving forward in this series. That being said, you will need all you've learned earlier, not to mention the TRIM command that is an unavoidable command when working on a project in AutoCAD.
DAY 8
Learn how to make use of the QUADRANT option of the Object Snap Settings.
A complex image will be provided with this session, and you will have to use commands that you might find appropriate to solve different issues that will arise. A skeleton image will be provided to help you Analyze the exercise.
DAY 9
Time to play harder with that UCS command
You will also have to learn how to use the CHAMFER command with in this session.
Although the exercise provided is very basic, it will allow better understanding of the UCS in AutoCAD.
The Option Diameter of the CIRCLE command may be used as well if you would not like to use a calculator or your brain to calculate dimensions.
DAY 10
Here a little bit of all we've learned earlier will be needed.
An image is provided and you will be required to use a sense of analysis to be able to complete it.
The other aim in this exercise is to push you use the MIRROR command in AutoCAD, but you can well avoid using it.
You can decide to use the UCS command here if you like.
DAY 11
In DAY 10, we gave you the choice to use the MIRROR command or not. This session will restrict that choice. The way information are provided here will force the use of the MIRROR command.
You will also have to learn how to use the ELLIPSE command in AutoCAD and learn how to bend it with a given angle.
You will also be shown how to use the POLAR tracking mode to work in AutoCAD.
DAY 12
Here is one the most difficult session.
You will learn how to use a trick to create an array around an ELLIPSE in AutoCAD.
A complex image is provided and you are shown how you can proceed if you want to trick AutoCAD to construct an ELLIPSE ARRAY since there is no command doing this in AutoCAD yet.
You will also be taught how to create a perfect star in AutoCAD.
DAY 13
If you have learned how to proper use the Polar Tracking mode, this one will be a piece of cake. Nevertheless, it will help you make sure you have mastered it.
You will be forced to use the Tan Tan Radius option of the CIRCLE command.
The ROTATION command might also be useful to you if you want to avoid making use of the Polar Tracking Mode
DAY 14
Here is a session that will show you there is not only commands that do the job for you in AutoCAD.
You will have to learn how to read a design and be able to easily replicate it using commands you will choose to make use of without being told or shown.
The ROTATE command will be needed here.
DAY 15
Bringing difficulties a step up to make you make use of Basic AutoCAD commands.
In this Session, you are not taught what to do, but you are rather given an assignment that will make you use the command you have already made use of.
DAY 16
Here is a place where you will be pushed to asses the knowledge you've earned in DAY 12.
If you have not mastered what was shown in DAY 11, this one will not be an easy one to accomplish.
You will have to know how to use the MIRROR command, and know how to manipulate lines to come out with happy with this relatively complex design.
DAY 17
Here you will learn how to work on complex and bushy project.
You need to be able to use the zooming and panning here to perform this one with success.
There is nothing new to learn, but assessment to be done on what you have learned.
The Tan Tan Radius option of the CIRCLE command will be highly needed in this session.
DAY 18
Learn how to combine AutoCAD commands while working on a project.
The project itself has nothing you have not made use of in previous sessions.
Here is one more session that will bring challenges, and push you to use the OFFSET, CIRCLE and ROTATE commands.
DAY 19
Here you will learn how to further work with the ROTATE command in AutoCAD. You are given a 2D representation of an elbow, and you will have to replicate the image given all its dimensions.
This session is more about being able to choose a way to go for solving difficult 2D design issues in AutoCAD and choosing the most appropriate commands to solve those difficulties.
Learn the basics of HATCHING in AutoCAD.