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Join Jeff Bartels as he covers the most important features of this industry-standard drafting and design application in AutoCAD 2011 Essential Training. This course begins with a tour of AutoCAD's interface and the tools used to create basic shapes. It then focuses on the methods used to modify and refine geometry while emphasizing accuracy and good habits to build a solid design foundation. The course covers using layers, line types, and colors to organize a drawing file and explains how to efficiently annotate a design and prepare it for final output. Throughout the title, Jeff shares industry techniques used in production and reinforces concepts using practical examples. Exercise files are included with the course.
In this lesson we are going to learn how to get twice the amount of work done in half the time by using the Mirror command. Mirror allows us to create symmetrical copies of our geometry. On my screen I have drawn a little bit more than half of a basketball court and since this court geometry is symmetrical, I don't have to draw the other side. Instead, I can finish this drawing by creating a mirrored copy. To do that, I will launch the mirror command. Mirror is located in the Modify panel of the Ribbon. Then I will select the objects I would like to copy.
I am going to create a window around all of these entities and then I will hold my Shift key and create a window around these circles, because I don't need to copy them. When I am finished I will right-click. Now I need to click two points to define my mirror line. This is the line that I will be reflecting my geometry across. I would like to reflect my geometry across this line. So I will select the end point here and the end point here. Finally, do I want to erase my source objects? I am going to right-click and select No, because I'd like to keep my original geometry.
We have just completed our first mirror. I am going to zoom out a little. Let's pan the drawing over and we'll take a look at another example. Over here I have a drawing of a decorative light pole. I am going to zoom in a little bit closer. Now, I'd like to add another light to this pole and instead of creating that geometry from scratch let's use the Mirror command to reflect this geometry over to the other side. I will move up and launch the command. Then I will use a crossing window to select the geometry I'd like to copy and I will right-click.
Finally, I need to pick two points on my mirror line. Fortunately, I have a nice center line that I have already drawn here that we can use. I will select the end point here and the end point here. When I am finished, I will right-click and select No to complete my mirror. Remember that every time you are working with symmetrical geometry you've got an opportunity to use the Mirror command and if you use it properly, you will be making AutoCAD do half of your work.
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