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We have a mirror command, so we'll use this as an example.

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I'm going to say we want to mirror this and we want it down here as well.

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Okay.

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So we'll click mirror and it's asking to select the objects.

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We're going to select these two and right click.

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And now it's going to ask for first point of the mirror line.

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So the mirror line.

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The way to think of this is just think if you were to place a mirror down kind of on its end, where

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would that be?

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And the first point of a mirror line would be here and the second point would be there.

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Okay.

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And that will create this mirror image.

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And if you right click to finish it.

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It will create a mirror image there.

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And you could do that again.

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So we could select these two.

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Now, right click, we'll select our first point of our mirror line there by left clicking.

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Okay.

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Our second point is on this end left click and what you do get, you get this option erase source objects.

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So sometimes you want to change something by mirroring it, in which case you would erase the object.

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Click Yes.

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And now it's changed.

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But other times you want to mirror something and add it.

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Okay.

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So you will select?

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No.

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And then you would get the original would stay and the new part.

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And that's mirror.

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So Mirror is just creating a mirror image.

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And then we have scale.

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So with scale, you you just change the size of an object.

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So I'm going to select this whole thing.

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I'm going to right click finish selection.

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The base point is the point you want to scale it up from.

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I'm going to go with this bottom left corner.

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And now if you drag your cursor, you can see you actually it looks like you're zooming in.

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You're actually scaling that object in size.

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I'd say most of the time you type in a reference for.

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Okay.

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So the way it would work if let's put a line there.

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All right.

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Okay, so let's say I have this rectangle, these rectangles here.

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They need to be bigger.

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How big do they need to be?

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Well, this line needs to go from from where it is now.

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But instead of ending here, it needs to end at this point.

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So we'll go scale.

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We'll select them.

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All right, click.

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That will be our base point.

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And now instead of just putting something down here, you get this option reference.

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If we click that, it's saying specify reference length.

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So we want the reference length is the length.

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Now the existing length.

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So the length now is that and now it's a specify new length for the length we want is from there.

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To there and there you go.

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So you didn't quite get that.

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You might need to watch that again.

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But that's basically that's how I mainly use scale.

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I use it with a reference.

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So you scale something up to fit a certain size.

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Sometimes you can type in scale too, which would be to double it in size five would be times five.

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So you can type in a digit like that if you go to scale.

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Use that as a base point.

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You'll see it's asking you for a scale factor you can type to enter.

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It's just doubled it in size so you can do it that way.

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But mainly I'm using a reference.

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Now, one of the simplest ways to do quick edits on an object is to use what are known as grips.

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So if I just left click this rectangle here, you'll see we get these blue squares in the corners and

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there's also a little bit harder to see, but there's a blue square in the midpoint of each line.

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We can actually left click these and just drag them around.

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And you'll see we get input boxes to input the dimension if we wanted.

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But you can edit objects by by grabbing these blocks.

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Okay.

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And you can grab the middle ones to move the whole line.

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Or you can move the corners.

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And harvest is usually used is just to drag it.

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If you wanted to drag this corner, for instance, onto the corner of another object, you would just

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do that.

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And don't worry about how I selected that corner.

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It's something called Oh, snap.

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You look at that later in the course if you haven't already.

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But I just want to show that you can use these kind of points to move objects about and to change the

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geometry.

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Okay, so we use those a lot grips.

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And it's not just rectangles.

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All objects have them in some form.

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A circle, for instance, will have its center point so you can move where it is and then you can change

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the diameter with these.

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Okay.

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And same with arcs.

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When you create an arc, you can use grips to move that.

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And change the radius.

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So all things kind of have grips and you'll get used to using those.

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It's a very fast way of changing objects.

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When you get into actually creating something in the course, you'll see us using those in more detail,

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but that is another modifying method.

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Now, the last modified method we use a lot is copy and paste.

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And you might be thinking, Well, we've already learned about copying this in this chapter, but there

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are actually two different versions of copy in AutoCAD and I'll show you the differences.

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Now I'm just going to draw a again, don't worry about how I did it.

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I'm just going to create a rectangle.

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And we've looked at this copy here.

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So within our drawing, if I want multiple instances of this rectangle, I can do a copy like that.

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But what if I wanted to if I had another drawing here and I wanted this rectangle in another drawing?

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Okay.

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And this is something we actually do all the time in AutoCAD.

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It's rare when you work in industry that you will start each drawing with a blank screen every time.

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What tends to happen is you find a drawing that's something like what you're about to create.

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You save that as a new copy and then you edit that to the new however you want the new design to be,

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if that makes sense.

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So you don't always go back and start with a new drawing and set up it, set it all up from scratch

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most of the time we created and we're editing existing drawings and Matt and you might want to pull

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in things you've already drawn so you don't have to draw them again.

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If you were creating an object that you've drawn many times, you wouldn't draw it again from scratch.

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You'd just go to that drawing, you'd copy it and you bring it in.

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And that is the other form of copy.

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So we've looked at this copy here.

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Copying within a drawing.

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But we've also got under this clipboard tab.

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We've got our copy which will be familiar from any other type of software.

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Really, it just does the same thing, copy.

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And we can copy the object and right click.

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So it looks like nothing's happened here, but now it's on our clipboard.

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We can paste it into the new drawing, okay?

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And it will bring in any kind of layer.

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If it's on a layer, it will bring that in and insert it in the draw and it will bring in line types.

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It will bring in colors.

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So it is actually a good way of bringing in things as well.

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If we haven't looked at those yet.

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You don't know what I mean by layers, line types, that kind of thing.

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Don't worry, it will make sense later on.

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And if we look at this pace, we have a few options.

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As always in AutoCAD, you have options we can paste, we can paste as a block a hyperlink to original

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coordinates, paste special.

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Don't worry about them yet.

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They will make sense later on.

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We might start using them depending on what course you're doing and it will make more sense.

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But I just want to show you these how to get something from one drawing to another.

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You can copy cut if you actually want to remove it from that drawing and put it in.

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Don't use that very often, but copy and paste between drawings I use all the time.

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So that's just one thing to bear in mind.

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There is two ways of copying, but this one should be pretty self-explanatory because it's the same

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kind of process you go through in anything, whether it be word processing.

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Um, you know, Photoshop, most software has a copy and cut and paste function and that's all it is

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in this case.

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So this is taking things from one drawing to another in separate files.

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And.

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You can see there's other tools in the Modify panel, but they are the basic ones to remember now for

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this lesson.

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That is your basic toolbox.

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If you can.

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If you imagine you were a builder or someone, you had a whole cabinet full of tools.

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Okay.

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Most of them you wouldn't use day in, day out, but you would have a tool belt with a hammer, a screwdriver,

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a saw which you took everywhere and you used all the time.

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That's what these commands I've just shown you are.

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That is your tool belt that you carry with you.

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Most of these others are tools that are going to sit in your cupboard and be shiny and possibly never

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even get used.

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Yeah.

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So yeah, we've learnt the main tools on our tool belt and now we can go forward and learn a few more

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and now we can start putting them into practice and then gradually bringing a few more as we're needed.

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But as with anything, the best way to get to know these and get to learn them is just create, you

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know, how to create objects.

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You now know how to modify them.

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Just do that.

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Just sit there doing some objects, modify them, copy them, move them, rotate them, mirror them,

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just do it.

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And then it will become The more you do it, the easier it will become and the more of that kind of

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left click, right click will get second nature as well, because that because that really speeds things

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up.

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The only other main tool I want to show you now is the trim and extend.

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But that's going to be a chapter of itself.