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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.
Left Let's face it. You are never going to keep all of the line work that you create in AutoCAD. Along the way you may create some sketch lines, your design may change. you may even make a couple of mistakes. In this lesson, we are going to learn how to erase unwanted entities. On my screen I have got an abstract object, technically speaking this is a double-nine domino. Let's say I would like to convert this to a double five. To do that, I am going to have to erase some of these circles. One way to erase unwanted entities is by clicking and selecting them first and then pressing the Delete key. Another way to erase entities is by using AutoCAD's Erase tool.
Erase is located in the Modify panel of the Ribbon. I am going to click the icon right here. Now, I can select the objects I would like to erase and when I am finished, I will hit Enter. I am going to zoom-out a little bit. We will pan the drawing over. Let's center this geometry on screen. Let's pretend we are designing some furniture. On my screen I have got a drawing of a medium sized cabinet that consists of several drawers, and two glass doors. We can see through the doors that there is a shelf on the other side. Let's use the Erase command to make some design changes to this cabinet.
First of all, I would like to remove the glass from the doors. I would like these doors to be solid wood, such that you can't see through them. To do that, I am going to have to erase some entities, so I will move up and launch the Erase command, and I would like to erase this line, this line, and this line, and then I will erase the shelf, and I will hit Enter. Alright! Let's take care of the other door. To do that, I will hit my Spacebar to go back into the Erase command, and there is a faster way to select these entities. Since I am selecting multiple objects, I am going to use a Window selection.
I am going to click right here, and then I will pull down to the left. This is creating a crossing window. When I click to finish my window, AutoCAD selects every object that fell within the window or crossed over the boundary. Now that I am finished selecting objects, I will hit Enter. Let's try this. Maybe I'd like to remove the doors altogether and fill up the space with two more of the white drawers. Once again I will launch the Erase command, and I am going to be erasing multiple entities. So I am going to use another window. I will click right here, and I will pull down to the right.
this is creating a window selection. Let me click to finish the window and AutoCAD selects everything that fell completely within that boundary. Now that I am finished selecting objects, I will hit Enter to erase them. To finish the cabinet, I will use the Copy command. I'd like to copy this drawer, and both of the handles, I will right-click, and I'd like to copy them from the endpoint here, to the endpoint here, to the endpoint here. When I am finished, I will hit Esc. One thing is certain, a good design involves many revisions. As you continue to make improvements, you can always use the Erase command or the Delete key to eliminate your unwanted entities.
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