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Right.

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So now we're going to add some dimensions onto this drawing.

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We can see we've got the dimensions on our marker.

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I'm not going to add all these.

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I'm just going to add on this one.

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I'm just going to add the two main dimensions.

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In fact, I'm going to have the main dimensions, some a few dimensions around the outside and you'll

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see why later.

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But let's go over that again.

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We've done it in the core module.

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Let's put it into practice.

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So the dimensions I want here are just straight dimensions, linear dimensions.

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Okay, now I'm going to add one.

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I'm going to put it on there like that.

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And you can see we've we can't see it.

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We can't see the text.

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We can't see the arrows.

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We need to edit our style.

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So I'm going to do this the same height as the text we did down here.

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The arrow size will be 2.5.

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Okay.

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I want them as close filled arrows at 2.5 and extension.

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I'm going to change these to 2.5.

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The text height to 2.5 offset 2.5.

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Okay, I'm going to change.

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I'm going to be able to move the text with no leader and precision.

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I'm just going to have it set to zero.

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So this is going to give us a dimension in millimeters.

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I'm going to select the dimension right click, go to dimension style, save as new style.

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And I'm just going to call this building style.

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Okay.

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I'm going to okay that.

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Now up in annotation under the dimensions in the pull down Styles menu, we have our building style.

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So by selecting that here, we set it as the current style.

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But I want you to notice something here, something that's happened.

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When we speak about model space and paper space, we know that in model space this is actual size.

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So this is 20,000 long.

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It's drawn actual size in paper space.

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Our title block is drawn actual size.

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So if I was to measure a distance here, it's 2.85.

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But when we put a dimension on, even though we added our dimension in paper space, because we we're

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clicking these points, these corners of the building, AutoCAD is intelligent enough to know that we

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want the dimension on the building and what AutoCAD does.

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It will look at the scale of our viewport and where we've clicked and it will do the calculation to

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work that out.

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Okay.

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Now I want to show you something that happens a lot and people don't really understand why it's happening

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sometimes.

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And I'm going, I'm just going to draw a rectangle here.

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Okay.

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So that's any size.

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We don't know what size it is.

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It's in model space because I did it in tiled model space.

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If I put a dimension on

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and I can, I don't have to change the height, but I can say under text it's 71 797 long.

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Okay, So you don't have to follow this.

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This is just something I want to show you.

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If I go back to pose space, if I put a dimension on here now.

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It's actually dimensioned it way too big.

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It's 179759.

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AutoCAD is it's it's adding a scale factor on here and it's it's not coming up with the correct dimension

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and you can see people find this happening in AutoCAD because they haven't quite set the dimension up

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correctly.

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What you need to do to get around that, if you see that happening, if you go to the current dimension

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style.

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Okay.

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And then modify.

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And you want the primary units tab.

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This is a scale factor.

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Okay.

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So this is it's like how it's scaling it up.

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Okay, now we'll say apply to layout dimensions only.

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Just set that to one.

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Okay.

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And if you have a scale factor two one, then that will solve your problems.

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If you find that happening where it's coming out with weird figures, that's the issue.

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And you'll see now it's coming out of the correct dimension.

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So if you put a dimension on and I would say when you create a new dimension, like we could always

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change that scale factor to one, because if you're doing your dimensions in paper space and that's

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how you want it set, and now when we add these dimensions as well, they all come out in the correct,

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in the correct way and we'll put some on.

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Let's add a couple for these windows.

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Okay?

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And let's add that.

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And then I'm going to put.

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Yeah, why not?

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So that's how you dimension a drawing.

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It's another thing.

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It can seem a bit complicated, especially that scale factor.

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But I would say you don't need to 100% understand what's going on.

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Just that.

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Just change the scale factor to one.

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Okay.

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And that will, um, if you're getting any weird behavior, like I said, AutoCAD does the calculation

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with the scales and the units and sometimes it gets confused what it's doing.

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And again you can use property painter on these.

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So if this let's say you had a dimension, the standard, the default dimension have been changed and

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you created one and it doesn't look right, you can just do a match properties from dimension to dimension.

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And that's dimensions.