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AutoCAD is a computer-aided drafting and design program that is the industry standard for a wide variety of 2D and 3D work. AutoCAD 2008 features several improvements over previous versions, but the core functionality and workflows have remained consistent for years. Users who have any of the more recent editions of the software will find AutoCAD 2008 Essential Training to be a valuable resource. Instructor Jeff Bartels has taught and used AutoCAD for a decade, and in this course he focuses on the difficult to master concepts that matter most to professional AutoCAD users. Exercise files accompany the course.
If you decide you would like to draft using architectural units, it's important to note that AutoCAD is a little bit picky about how you enter your values. So in this session, we are going to look at how to give AutoCAD what it needs, when we want to architectural measurements. I'm going to open up a drawing of a floor plan. I'm going to come up and click my Open icon and inside the Chapter 4 folder of our exercise files, we're going to open up the number 2 drawing, Architectural units. So, let me highlight that guy and we'll click Open to bring him up on screen. This drawing is set up using architectural units and I can verify that by going to my Format pulldown, coming down to Units, and we can take a look. Yes, this drawing is set up for architectural and every unit equals one inch.
All architectural drawings will be set such that one unit equals one inch. If you even dare to try and set this to something else, say feet and click OK, the computer will say, "Hey man, that should be set to inches." Let me click Cancel, let's set that back to inches. Let me click OK. So we've just proven this is an architectural drawing. Now, I've finished my floor plan and I'm in the process of drawing my furniture. Let's zoom in on the Bedroom 3 area. In this room, I have got a typical queen-size bed, as well as a nightstand and a lamp.
We're going to recreate this geometry over to the right and we're going to draft the geometry using architectural measurements. Now, what we will be doing is nothing new other than we will be entering architectural dimensions. So, I am going to come up and launch my Line command, AutoCAD is asking me to specify first point. I am just going to pick a point over here close to the wall. I am not worried about drafting this geometry a particular distance away from the wall. I'm just going to pick a point for right now. We are worried more about function right now rather than form. So I have started my first point. My Ortho happens to be locked.
So I am going to pull to the left and my queen-size bed has a width of 5 feet. So I am going to type in 5 and then I am going to hit my apostrophe key, that's the key right next to your Enter key on your keyboard. That apostrophe tells AutoCAD that we are using feet, so let me hit Enter. I just created a line segment 5 feet long. Now, I am going to pull up and I can see the length of my queen-size bed is 6 feet, 8 inches, so I am going to type in 6'8 and then I am going to use the quote, which happens to be the same key as the apostrophe, we just hold our Shift key to get the quotes. AutoCAD recognizes the quotes as inches.
So now that I have typed that in, I'm going to hit Enter. I just created a line segment 6 feet 8 inches long. Very important not to forget your little apostrophe or your quotes. Let's simulate an error. I am going to pull to the right, I am going to type in 5 and I am just going to hit Enter. I am going to forget to put in the apostrophe. Let me hit Enter. Notice that obviously isn't the right length. Since, I didn't designate specifically feet or inches, AutoCAD assumed inches. So, I am going to right-click and select Undo to back up and let's finish this bed. Let me pull to the right and type 5 feet, Enter, and I am just going to close this guy off. Let me right-click and select Close and our bed's finished.
Let's try the nightstand. I am going to zoom in just a little bit. We will launch our Line command and I am going to start right about here. And I am going to do this guy counterclockwise. So, I am going pull up. This guy has a length of 2 feet 3 inches. 2 feet 3 inches. Enter. Now as I pull to the left, notice I have a dimension that is fractional inches. This is where AutoCAD is picky. Sometimes this can seem a little confusing for a beginner because notice how AutoCAD is listing it, 2 feet, dash, 2 3/4 inches. Unfortunately, AutoCAD lists it differently, then it wants it entered. Let me show you how to enter it.
I'm going to pull to the left and I am going to type 2 feet 2, dash, 3/4 inches. You have to put the dash between the whole inches and the fractional inches in order for it to work correctly. Let me hit Enter. I just created a line 2 feet, 2 and 3/4 inches. Let me pull down. We will finish this guy up. 2 feet 3 inches, Enter, and I am going tough this one out. We're going to do this one again, 2 feet, 2, dash. Once again put the dash between the whole inches and the fractions otherwise it comes up 23/4, which is obviously incorrect.
So, 2-3/4 inches. Enter. Alright, my nightstand is done. I am going to hit my Escape key to get out of the command. And I have got one more piece of furniture. Let's take and throw on the lamp right in the middle of the nightstand, or approximately in the middle, that's a circle. So I am going to watch my Circle command, we'll click right about in the middle- we will learn later on how we can find the middle. We'll free pick a point and then I pull out this guy has a diameter. I can tell from the dimension, so I am going to right-click and select Diameter.
This guy has a diameter of 11 inches. Enter. As you can see entering architectural measurements involve a little bit of extra work on our part, but it's still quite simple, so long as we remember how AutoCAD wants us to enter the values.
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