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Start drawing, designing, and rendering your ideas with SketchUp, the inexpensive 3D modeling toolkit used for everything from architecture to game design. George Maestri covers the fundamentals of the application, the interface, and how to model objects from scratch. Plus, learn how to texture objects and create simple animations.
All of the lessons work with both SketchUp Make, the free version of the program, and SketchUp Pro.
If you want to measure angles, you will have to use the protractor tool. Now, this is very similar to the tape measure tool, in that it can create guidelines you can use to draw. So let's start by creating a very simple object here. We're going to create a rectangle. Snap it to my origin, and draw it out. In fact, I'm going to make this 18 feet by 24 feet. I'm just going to type that in, hit Enter. And that should snap to the proper dimensions. Now, I'm going to take this, and extrude it up into a very rough building, so I'm going to extrude it up nine feet using the Push-Pull tool.
Now, I should have a box that I can use to make a building. Now, let's go ahead and make the roof of this building here. I'm going to use the Protractor tool. We can find it here under Tools, Protractor, or on the tool shelf here. You know, however you select it you can basically use it very similar to the rotate tool. In fact, it looks a lot like the rotate tool. You see how it snaps to faces, has the same sort of icon for it. Now in this case I want to make a roof that's going this way.
So, I want to snap to my green axis here. And just like with the rotate tool, I'm going to left click to lock down the access of rotation. Drag out, left click again and now I can set my angle. Now what I'm doing is I'm creating a guide line. As you move this, notice how it snaps at 30, 45 and 60. Okay, so that can help you. But if you want a different angle. You can either just sweep it out, or type it in. So if I wanted to, I could type in say 32 degrees.
Hit Enter, and now I have a 32 degree guideline. Let's do this again on the opposite side. So I'm going to align to green, left click, drag, left click. And then type in 32 and hit Enter. Now with this I've got two guidelines with which to draw the base of my roof. So I'm going to select my lighting tool, click and then start drawing this roof. So now that I have this I can just push and pull that out to create the actual roof.
Now for one I can type in the exact dimensions. I know that's 24 feet. And now I've got a gable end roof. Now once I've used these guidelines, I can actually get rid of them. I can just hit the Erase and get rid of them. Now let's say we wanted to do something more complex. Let's say we wanted to create a hip roof, where it's angled this way in addition to this way Well, we can do that again,using the protractor. So the first thing I need to do is create my basic angle.
So I'm going to do almost the exact same thing, but this time on the red axis. So I'm going to select my endpoint, left-click, drag, left-click, and then again. I know it's 32 degrees. And I've got the angle of my roof. But the only problem is, is that this guideline is sitting off of the roof. I need to find a way to get the spot on the roof where this intersects. Well, I can use the tape measure tool to help me do that. So just select my tape measure tool, snap here, and draw up a line in blue.
Okay, now gives me a vertical line, but I want to project the peak of this roof onto this line. So all I have to do is snap to this roof again with the tape measure tool and draw over on the red access and click on here And use this to create a guide line going on the green axis. So right there. So now I've got a guide line going up and down, and another one going left and right. And now I know that this point is exactly the height of the roof. So I can use this, draw it over in the red axis And create another guideline.
Now this guideline is intersecting the peak of that roof. And I can use that intersection as a place from which to draw. So, all I have to do is select that intersection, draw to this corner, do that again, and draw to the other corner. So now I've got my basic hip roof. Or you're not going to see it until I use my eraser tool. And actually get rid of this line here, now you can see, I've got my hip roof, and then I just gotta get rid of this line and this line.
So now I've got a basic hip roof, and I can go ahead and keep deleting all of this. Until I clear out the scene. So let's do this one more time on the other side, just to make sure we understand the procedure. So, again, I'm going to snap to the corner along the red axis, sweep out my 32 degree angle, select my tape measure, go vertical, just as long as I'm higher than the roof is all I need. And then, find that end point of the roof. And then, snap to there, and there. And now I've got this guideline I know is the right height.
Again, I can create one there. And now I use this intersection to create my hip roof. One, two and then we get to erase. So I'm going to erase these lines here, and then erase my guidelines, and there we go. So now I've got a very nice hip roof. So as you can see the protractor tool is very handy for creating guidelines with which to draw angles, and when you combine it with the tape measure it becomes a very powerful way to set guidelines for drawing.
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