Raul Architectus

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  We have seen in earlier   how to use polar tracking   to draw inclined lines with specific angle sin AutoCAD, but what happens if you desire to input your own value instead of using the value prefixed by AutoCAD? Before we dive into the subject matter, we need to revise some trigonometry. The concept of polar coordinates in AutoCAD obeys the principle of the trigonometric circle, thus creating the need to revise that part of math for a minute. Trigonometric circle The trigonometric circle goes from 0 degrees to 360 degrees. One lap of the circle is 360 and 360 degrees is equivalent to zero degrees on the circle. Here is what the circle looks like The mastery of the concept of angles is crucial to your ability to get things done in AutoCAD. You have to be capable of quickly deducing what the value of an angle is from the angle zero. On the images above you will notice the trigonometric circle with angles counted respectively from the positive side ( anticlockwise ) and f...

 

 

Here is how to draw a circle in AutoCAD. But starting here, I will assume you are already able to do the following: Draw a line in AutoCAD Activated  these settings There are lots of different methods to draw a circle in AutoCAD. Depending on what you will try to accomplish, the methods will vary. Let’s first look at where the CIRCLE command is located and how to activate it. The icon to activate this command is located on the upper left corner of your main window. To activate the CIRCLE command, simply click on the circle icon. Now, let’s visit the different methods you can use to draw a circle in AutoCAD Drawing a circle in AutoCAD The most obvious and straightforward method is the following: Click on the  CIRCLE  icon ( shown on the image above ) Specify the center of the circle with a click in the  drawing area Use your keyboard to write 30 ( 30 considered to be the radius of the circle ) and press ENTER on your keyboard when you are done. Here is what the circle...