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Free eBook: Looking to learn AutoCAD the fastest way possible? Feel free to check it to find out what the height of the image is. This is an easy one. It was actually first introduced when we learned how to draw circles and how to trim in AutoCAD.

Feel free to check it to find out what the height of the image is. This is an easy one. It was actually first introduced when we learned how to draw circles and how to trim in AutoCAD.

This is a cool exercise that will help you think a little bit. All dimensions are given! This exercise first appeared in this AutoCAD practice exercise. If you were able to complete previous exercises, this one could be boring nevertheless it is not totally unnecessary to have it on the list. If you find any difficulties working on these Exercises, Here is what you need to do.

The following figure is a 2D figure and where all data are being provided.

We should be able to replicate this with ease. Draw a line of an arbitrarily chosen length but make sure it forms 64 degrees with the line we have created in Step 2. You can do this by creating a line aligned with the line with created in Step 2 and rotating it with 64 degrees counterclockwise.

Create a line on the open side of the quadrilateral from the 2 points such as having the following. If you set the value of this system variable to 1, only the overlap icon appears not the menu. You can turn this off by changing the value of this system variable to 0.

F6 Dynamic UCS can be activated or deactivated using this function key. General Commands These are some of the commands which can be frequently used in your drawing workflow to improve your overall efficiency.

To count the block it should be visible in the drawing area. When you trim or break this infinite line to a finite length it becomes a simple line geometry.

To modify the type of point created by this command you can use PTYPE command and choose the desired point type from Point Style window. You can use Line, Polyline or Spline as the object type for making this freehand sketch.

To cancel repetition of command press ESC key. To know more about this subcommand refer the related article. This is especially helpful if you want to retain the text of attribute after exploding the block.

You can use this command to even write text aligned to a circle. More about this command can be found in this related article. After deleting an object if you made many other changes in the drawing and realized that you might need to restore the deleted object then simply type OOPS and press enter. See the animated image shown below for reference.

At each point of division, a point geometry will be added on the 2D curve. It is helpful if you want to break a curve at the point of intersection with other curve or if you want to create a gap by breaking a part of the geometry. TIME Using this command you can find a lot of information about your drawing like the date when the drawing was created and total editing time consumed on the drawing.

As an example, you can use quick select to make a selection set containing all circles of the drawing with the radius of a particular value. LIST Using this command you can find lots of properties of an object like the layer they are on, area, length or radius, perimeter or circumference and a lot more.

To use this command simply type LIST on the command line then press enter and select the object from drawing area about which you want to know and press enter again.

DIM This command was introduced in AutoCAD version and it can be used to make most of the dimensions like Linear, aligned, radius, diameter and baseline. When the scale of these text entities are changed the base point will remain fixed. BASE Using this command you can change the base point of a drawing without changing its origin.

This is especially helpful in the situation where you want to insert the drawing into another as a Xref. By default, AutoCAD takes origin as the base point which can be modified using this command without changing the origin.

## 150 AutoCAD Command and Shortcut list, PDF eBook included

UNITS Using this command you can set the drawing units and other settings like the precision of linear and angular dimensions and default rotation angle. ML Using this command you can make a multiline geometry which contains multiple parallel lines. I have made a simple table by importing blocks of design center as shown in the image below.

To know more about finding the area in AutoCAD drawings refer to this related article.

In image A below the text is oriented at different angles and in some of the situations, the text is not properly readable. This boundary can be used to find the area of the enclosed region or for many other applications. Performance Related Commands There are many best practices that you follow to keep your AutoCAD software and PC in great working condition and there are also many inbuilt tools and commands in AutoCAD that help you in keeping the performance of your software properly optimized.

In this section, you will find all those performance and optimization related commands which you can use in your daily workflow. PURGE This command can be used to remove unused named objects like layers, blocks and dimension styles from the drawing. This command can also remove Defpoints layer and also layer containing objects but I would not recommend that.

FILLMODE Using this system variable you can turn off or on the visibility of filled area in hatches or wide polylines by changing its value to 0 or 1 respectively. You need to regenerate the drawing using REA command after changing this system variable to see its effect on the drawing.

The default value of this aperture is 10 but depending on the complexity of the drawing you can change this value between The size of the aperture is relative to the current scale of the screen and it is not an absolute value.

In the image below the red box not visible in AutoCAD is the aperture size for two values 10 and 50 respectively. This system variable also affects file size of AutoCAD drawings and its compatibility with other softwares. By decreasing the value of this system variable you can increase its compatibility with other softwares and it also decreases the size of the CAD file but the time consumed in save operation generally increases.

When you increase the value of this system variable opposite happens. You can remove this preview thereby improve the performance by changing the value of this system variable to 0. Its default value is 1 but you can turn off this highlight effect by changing its value to 0. To use this command type LAYMCH on the command line and press enter key then select objects whose layer assignment you want to change and press enter then select any object of the layer which you want to apply on selected objects and press enter key again.

The default value of this system variable is 3 and you can change its value from 0 to AutoCAD will prompt you with the save dialogue box before closing all unsaved drawings and it will take you to start screen after closing all of the drawings. More about drawing repair tools can be found in this related article.