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And maybe another drawing we had.

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We went through the same process, but it was only concentrating on this room.

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Well, then we might have that at, say, 1 to 50.

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Or 1 to 40.

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Okay.

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And what we can do with these these viewports, this window, it doesn't have to go to fill this whole

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frame.

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We can use grips on it and we can bring it in like this.

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So.

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Let's bring it in.

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And when you get a view of just that room on this drawing.

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But what's important to remember, we're not changing anything about.

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We've still only got one model in model space.

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If I was to insert a circle that's a table in that room and go back to paper space, you can see the

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table in the room.

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You can see it in this view.

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However many views we had, we could have 100 title blocks and different scales and everything, but

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we haven't.

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We're only viewing into model space to see what's in model space.

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And in model space there's only one drawing.

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So

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that's how they use.

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And you could have you could have as many as you want.

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You could maybe have this at 1 to 100.

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Have something.

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Like that.

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Okay, let's move that into the middle.

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And you could have lots of these.

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So a drawing.

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It's fairly usual to see a drawing with multiple viewports.

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But remember, you've only got one model.

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You've just got lots of different layouts and that will then allow you to print this model or a portion

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of it or whatever you want, any view you want on a normal piece of paper to scale without having to

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change the model.

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Okay, So I appreciate it can be a complicated thing.

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A lot of people struggle with this.

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A lot of people have been using CAD for many years, still struggle with this, by the way.

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So if you haven't grasped it, if it seems a bit complicated, it will do.

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It's perfectly understandable.

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It's probably the one thing in AutoCAD that's hardest to teach and that's why I use this window example.

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People can kind of see it that way.

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You might need to watch this again.

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You might need to create some of yourself and mess about with it.

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That's why I've included this reference drawing.

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But once you grasp it, it just becomes second nature.

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For now, what I do see people doing.

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If I take this.

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Drawing frame or title block, which is a proper name.

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And I use a clipboard, so I do a copy.

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Okay.

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And in model space, I paste it.

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This is how I see a lot of people getting around it.

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Now remember, everything's drawn actual size.

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So when I've brought this in, this is.

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This is the actual size.

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A piece of A4 paper would be the size of that building.

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So people then go, okay, well, I'm going to scale that up.

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And I'm going to put it.

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The okay.

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And that's how people get around it.

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But you can see you've messed up nothing.

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Your building is still actual size, but now your title block is whatever size it needed to be.

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And that's always going to be if you were doing another drawing of this building, this room, you would

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make it smaller and your text would be different.

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It's just that's how people get around it.

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But it's not a good way of doing it.

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The other way people get around it, which is even worse, is to take a copy of a building.

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Okay, if I undo that?

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So they would copy the building.

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And scale the building down.

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Now you can see that is asking for trouble because

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now you're building is no longer actual size and you can't measure anything now.

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You've basically lost all that information.

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If someone comes along and says, Right, how long is that wall?

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Oh, um, I'll need to work that out because I've changed the size.

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It's just a nightmare.

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And AutoCAD has this facility for a reason.

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The main thing to remember is everything is drawn actual size and kept actual size.

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And the way of doing that is by having a model space, which is your model of a building, the creation,

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the engineering component, whatever, but the model and paper space, which is your paper.

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Okay.

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So yeah, try and get your head around that again.

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In the projects we're going to use these.

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There's lots of powerful things you can do with viewport controls, turning layers on and off and things.

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We're going to look at those later in your different courses.

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This is kind of an overall concept.

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So if it isn't quite 100% in your mind, don't worry.

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Just by using it and seeing a use case for it, it will it will kind of become concrete.

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If it's really gone above your head, just rewatch this video and try and try and remember the window

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analogy of looking for a window and that everything is actual size.

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Okay.

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Now, in paper space, you can do all the same things you can do in model space.

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So I'm in paper space now, okay.

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I can create objects, rectangle circles, whatever.

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I can create text, I can create dimensions.

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Okay.

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So I can put a dimension somewhere.

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The thing to remember is your units are different because you're on a different scale.

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So whereas in here.

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If I was to put some multiline text.

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Okay.

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It's going to be tiny.

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A height for that is probably going to be 250, 250 units.

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Okay.

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In paper space, a height is only 2.5 because you've got this scaled down happening.

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It's a lot smaller.

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And what I tend to do and what I prefer is to have all my text and dimensions in paper space.

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The way to look at it is paper space is the things you want to print out on the paper model space is

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anything related to the model?

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Dimensions are something you want to print out on the paper because you're going to use this same model.

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So in this example, for instance, you want overall dimensions here of a building.

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In this example.

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You probably want dimensions.

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Let me put linear dimensions.

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Of the room.

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Okay.

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Maybe you want one to the window.

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And the size of a window, because this this view you've created here is relative to just this room.

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This view is relative to the whole building.

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If we were to start putting dimensions in the model,

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if we were to dimension the room here, and I'm not going to worry about the scale and have a look.

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If we were to put dimensions here and then dimensions on the outside.

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Okay, then you will see them in every view so you can see.

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We've got this dimension.

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It's in the model space.

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I can't get rid of it in paper space because it's in the model space.

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Okay, so they're shown in every view, whereas things like dimensions and text tend to be view specific.

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You want them in some views, some not.

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So by doing them in paper space, you can choose what you have and also the scale of them.

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If you have room numbers in your plan.

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If you are zoomed in here, that room number is going to be a lot bigger because you've zoomed in.

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Okay.

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If this was.

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Let's say we had a full view in this plant and this was going to be 1 to 40.

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Of that room.

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Okay.

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You can see if if that room.

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Oh two.

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Symbol was there in model space.

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It would be huge in this view, but by keeping them in paper space.

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You can keep them the same size relative to the rest of your drawing sheets.

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So it makes sense to put it in paper space to me.

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Now, you're going to get different opinion on this because it's it's an argument that's ongoing.

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Some people think it should all be in model space.

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Um, again, I don't, but that's just my opinion.

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If you use AutoCAD yourself, do whatever you feel comfortable with.

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I will say it's easier to control different views when you're doing it in paper space.

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If you're going into a company, you're just going to have to do it how they do it.

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Okay.

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Don't go in and say I did an online course and someone told me I should do it.

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Like you're probably not going to win any friends.

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So just do what they're doing.

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Make your life easy.

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But I prefer to do all text and dimensions like that in paper space.

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Now the other thing is on your drawing frame, okay, you've got text that you can change in here and

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it is just normal text change.

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Just double click it.

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It's exactly the same.

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These drawing frames are drawn.

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See, it's a block.

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AutoCAD works exactly the same in paper space as it does in model space.

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It's just two different, um.

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Kind of zones, if you like.

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Now the title blocks.

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They are in your resources folder for this course and you'll see ones in inches, ones in millimeters

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if I just open.

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And you'll see now.

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We've got quite a few tabs in this drawing.

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You can have as many paper spaces as you want in any drawing file.

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You can only have one model space because in theory that should be where your model is.

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But you might want many, many title blocks in many different things and you can separate that in layouts

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a bit like you do for other things, other types of software.

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And what we've got in this title block drawing, we've got the largest title block is A0, which is

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the large sheets of paper.

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And then we've got different sizes of paper until you get down to A4, which is the type you would have

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in a normal home printer.

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And for this one you could have horizontal or vertical.

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So basically landscape or portrait depending what you were wanting to show.

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And you can then you can change what's in the drawing frame just by double clicking the text and doing

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the text edit on it.

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Okay.

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You can select the whole thing.

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So if you wanted to use this in a future project, you can select the whole thing.

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Go to your clipboard, copy.

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And if we go to Building zero one and just click paste, you can see we can bring it in here.

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Okay.

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And now we can go back to our layout.

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The rectangular viewport.

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Create that and then we can give it a scale.

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And it's exactly the same principle.

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You have a drawing on a drawing frame to scale.

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Okay.

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And this is something we'll do in the project courses, in the project part of your course.

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Again, this is just an overview, overview of the theory and how that works.

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So hopefully you've grasped that if you do grasp that, you know more than a lot of people I've worked

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with in the industry, people who've been doing CAD for many, many years never grasp this, mainly

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because they don't sit down and try and get their head into it.

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So if you have.

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Well done.

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If you haven't, please watch it again.

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If it's only kind of 7,580% there, you just need to put it into practice, which you'll do in the project

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part of the course.

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But but that is an overview of paper space and model space, the differences between the two and why

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we need two different types of spaces so that everything can be drawn 1 to 1.