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Right.

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So we're going to look at Modify.

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Now, this modify panel we've already learned about creating about drawing basic objects and creating

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basic items so we know how to create.

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Okay.

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And I'm just going to put some I'm just going to put a rectangle there and we understand some basic

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concepts, but what about modifying a lot of what you do involves modifying existing geometry, whether

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that's changing an existing model or drawing or creating a new one.

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But the way we tend to work in AutoCAD is.

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If you're working in a similar industry, there'll always be a drawing or a lot of the time there'll

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be a drawing similar to one you're going to create.

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So rather than starting from a blank canvas, a lot of the time it's easier to grab an existing object

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and modify it to your needs.

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And modifying is one of the main skills to know in AutoCAD in any CAD software.

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So we're going to look at the basic modify tools here.

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And in this beginner's course, we're going to go over the ones that you're going to use more often.

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There's lots of tools in AutoCAD and in all CAD software, which are very good tools to do a very specific

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job.

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But you might use a small fraction of the time.

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Okay, Now when you do need them, they're coming very handy.

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But most of the time they just sit there and they're never used.

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And when you look at CAD software, you look at all these menus and all these buttons and it's easy

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to be a bit overwhelmed and think, how am I ever going to learn all that?

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But.

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But most of them you don't use the very core commands that you use all the time.

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Other ones here and most of the 20% of the commands you use 80% of the time.

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So they're the ones you're going to learn most and whatever ones you get to know and the others, you

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just bring them in as and when it's easy.

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Rather than trying to learn so many commands and getting overwhelmed, just learn the basic ones.

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Learn the core ones which will allow you to do most of what you need, probably.

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And then just gradually bringing the more advanced stuff as you need it.

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That's the best way to learn.

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So saying that we're going to learn these basic modify commands here, which are like the building blocks

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of CAD.

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So these basic tools here, if these basic shapes of a building, blocks of CAD, these are the basic

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tools, okay, this is your basic tool bag.

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So the first one is move pretty obvious what it does.

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It grabs an object and it moves it.

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So so again, as with any command, if you're unsure, hover over it, tells you what it does, leave

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it hovered over a bit, give you a bit of an example, but I'll show you now you click on Move, we

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left Click and it's going to ask us to select an object.

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So we left, click an object, and with our mouse set up the way it is, all we need to do is right

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click for Enter.

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And now it will say Specify base point and remember the base point.

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What it's asking for is where should I grab this from?

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Okay.

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So I want to move this rectangle.

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Where do you want me to grab it from?

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If you just moving it as we're going to here, it doesn't really matter.

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I've got Oh, snap on.

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So it's going to snap to this corner, which is fine by me.

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I'm going to left click that and now it's going to say, okay, where do you want me to move it to?

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And I'm going to say, Here, left click.

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And that's the command done.

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I've moved the rectangle.

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That is a basic principle.

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If I undo that, most of the time you want to be a bit more specific than that.

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Okay, so.

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Let's say we have a circle here.

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Okay.

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Now I want a circle in this corner as well.

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We use a move command.

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We select the circle.

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We right click Enter.

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It's asking for a base point.

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So I want it.

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I want the center of a circle which is currently on that corner to be on that corner.

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So the base point is obviously the center of the circle.

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Okay.

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That's why it's important when it asks what do you want to grab it by?

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If I was to move this circle and just grab it by a random point up here, how would I then be able to

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align it in the same place by using the same that as a base point?

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Then for the second point to move it to, I can just say.

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Put the center point.

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And now I've moved it.

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So if you want to move it from one corner to another, you can use that corner as a base point and then

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drop it there.

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Okay.

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And that's with oh, snap on.

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So oh, snap is used throughout AutoCAD on all the different commands.

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Whether you're creating an object, whether you're modifying an object, whatever.

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Oh, snap comes in handy all across the board.

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And if you were to be moving it and you wanted to move it, say snap to that.

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Point and you didn't want it on there.

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You just wanted it anyway.

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You can turn it off of F3 and now it won't snap.

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But most of the time you would be moving it somewhere.

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Or maybe I wanted it in the midpoint there or that midpoint there.

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Okay, easy.

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So by using base points with move, you can do that.

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But we can also use the coordinate system and the angles and things like we did before as well.

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So I can say move right click, I can select the midpoint as a base point.

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And now we've got these highlighted boxes again, so I could type in ten and then there's a distance

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tab and now it's just asking for an angle.

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Okay, So if something like move, this is what's called a polar.

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Input.

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It's asking for a distance and an angle.

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So that's termed polar.

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Okay.

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If it was asking for a distance that way and a distance that way, that would be a rectangular input.

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It's just a bit of information.

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You don't need to remember that.

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But that's.

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You can see what it's going to ask for.

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It's asking now for an angle.

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So maybe 45.

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Okay.

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And that will put it there.

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Not often I've done that.

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I can't remember a time when I've actually ever really needed to do that.

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Most of the time when you're moving objects, you will have oh, snap on and you will be moving them

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from a base point to a base point.

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Okay.

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And that's the move Command.

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Now, copy.

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Believe it or not, works exactly the same as move, except it's copying rather than moving.

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So I know that sounded very simple, but that's what it does.

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So let's look.

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Copy.

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We're going to select that.

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We're going to right click for Enter.

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We're going to grab that as a base point.

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And I want one in every corner.

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We've copied because it's copying.

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It will carry on doing it.

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You don't need to.

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Um, let's put them in a midpoint.

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You don't need to keep doing it each time.

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It will just keep copying instances until you right click and finish a command.

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And now you've got all them copied.

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Okay.

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Now they are all separate objects.

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So if you were to then change the size of this one, there weren't they wouldn't all change.

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They are individual independent objects with copy.

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So I'm going to I'm going to undo them.

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And by the way, to delete, what we usually do is select the object and press delete.

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But there is a delete button sometimes you might want to click on Erase.

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And click an object like that.

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Okay.

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Why would you do it that way?

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Some people just prefer it.

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Especially when you've got multiple objects and you're selecting a lot of objects.

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It's just preference, really.

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Um, let's suppose this box.

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Actually, I don't want it that way.

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I want it orientated.

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If that's landscape, I want it kind of portrait around that corner.

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Rotate.

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So the rotate command works much the same way we left.

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Click an object right click when we've selected because you can do it with more than one object.

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So you will select your objects.

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And if it was multiple objects, you'd select them all.

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Then right click and then right click is enter.

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Meaning I've made my selection and now I want to continue the command.

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So Bass Point is, in this case in rotate, the bass point is the point.

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You want to turn around again.

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It'll make more sense when you see it done.

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So left click that corner and now you can turn it.

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And with rotate you can type in an angle.

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So I could type in 90.

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Okay, enter and it will rotate it.

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In this case, it's rotated it that way because of where my mouse is, but most of the time.

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Or a lot of the time we've rotate.

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What we tend to do is if we want to do that, we just turn off on.

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Remember ortho is this restricting to right angles, horizontal or vertical?

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Well, if you turn it on, it will only let you go right?

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Angle.

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So if you're rotating, it will only give you that option.

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Okay?

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But you can type in 45 and it's gone around that way if you wanted to go the other way.

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You could type in -45 and it will rotate it that way.

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So you can type in the angle or you can use your cursor and that's rotate.

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Okay.

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Um, offset.

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Offset is a command we use a lot, especially when you're creating things like architectural plans.

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I'm going to draw.

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I'm going to pretend I'm drawing a bit of a building.

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Okay, So.

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Let's say we're well zoomed in at the moment.

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So this is small scale, but let's just say this is 50.

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Okay.

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So I'm doing a line 50 and then 100.

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Okay.

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So I've got that line there.

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It's it's going 50 that way, 100 that way.

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Again, it doesn't matter what working in at this point.

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It doesn't matter the units.

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It's just it is just units.

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It's just a general example.

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This line is going 50 that way, 100 that way.

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What I want is a double lines.

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I want to I want it like a wall with an inside and an outside.

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Okay.

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So rather than trying to draw a line that follows it and is a correct dimensions, all you need to do

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is go to this command here, which is offset.

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So you left click that and it's going to ask you first specify a distance.

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So I want to offset this, let's say five units.

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So I'm going to type in five enter.

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And now I have it's asking me to select the object.

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I want to select this polyline.

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And because it's a polyline, it's selected the whole thing.

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And then it just needs to know the side.

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And I can select that by moving my cursor.

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So I'm going to select five that way and that's it.

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So it offsets the object and it is again like copy.

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It is a new object of itself.

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It's just a way of creating it.

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Offset is a lot.

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It's one of the main commands.