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There are many times when you'll want to see things in sections. Such as when you're creating a floor plan, or want to show cutaways of a project or a building, or an object. So let's take a look at how to use the section tool in SketchUp. So under Tools, we have a Section Plane tool. So if I select this, it creates this plane. Now if you can see here, it snaps to whatever surface I have. So if I'm on a horizontal or vertical surface its going to snap to either one.
So let's say we wanted to do kind of a floor plan section. So all I have to do is go onto the roof of this object, left-click and it creates a section. Now what it does is it actually creates a section object that I can select and move using the move key. So If I go into Move, I can select this, hit Move, and move it up and down. And as you can see, I can create a very nice section. Now if I want this to be a really official type of section, I can certainly go into Standard Views > Top, and then turn on Parallel Projection, and now I have a floor plan.
Of course I can always rotate my way out of this and go into Perspective here. Now if you want a section from the other side, then you can certainly do that as well. Now if you select your section you can hit the Delete key to get rid of it. So let's say I wanted to do a front to back section. I can go back into my tools, section plane. Let's go ahead and snap front to back and create that. Again, you select a section and move it. So when I select it, it highlights in blue, and again I can move that section front to back.
So that's pretty much it for sections. So let me go ahead and select this and delete it. And as you can see it's a very good way to see into complex objects, as well as create things such as floor plans.
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