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Architecture, design, and media professionals all over the world are using SketchUp to create detailed 3D models efficiently and quickly. In SketchUp 6 Essential Training, design expert George Maestri teaches the foundations of SketchUp's drawing, design, and rendering tools. He covers the fundamentals of the application, the interface, and the Sandbox extension, which is used to create realistic organic shapes and terrain. George also discusses how to model and texture objects from existing photographs and export models to Google Earth to visualize how buildings fit in a real landscape. Exercise files accompany the course.
Now let's take a look at the Circle and the Polygon tool. They are actually pretty similar in the way that they work. Let's start with the Circle tool. You can find it here under Draw and its Circle and the keyboard shortcut is C or here on the toolbar. And once you have selected it, a little pencil comes up with a circle attached to the end of it. Now what we have to do just left- click and that lays down the center of the circle and then we lay down the radius, very simple. If I want to draw another circle, it will just go ahead and let me do that. You notice how the snapping can actually make the center of your one circle concurrent with the center of another circle.
If you need to do a specific dimension for your circle, you can type in the radius down here, again in that VCB box. So just left-click and drag, and then you type in your dimensions. So let's say I want a 12-foot circle, it will go ahead and make it a 12-foot circle, pretty simple. So I am going to select all of these and just delete them. Now the Polygon tool, you can find it here under Draw > Polygon. There is no shortcut and its right here as well. So when you select the Polygon tool, it works pretty much like the Circle tool. You just select the tool and again it just brings up a polygon and then you just left-click and drag.
One thing that's nice about this is that you can actually snap it to a specific axis. This is a hexagon and I can just snap it to a very specific axis right here. And again, just like with the circle tool, you can again infer to the center of the last one that you have drawn, very simple. If you want us type in a specific radius, you can do that as well. So if I want a 10-foot radius hexagon, you can do that. Now let's say you don't want a hexagon, let's say you want an octagon or a triangle or something else, you can actually change that before you start drawing.
So what you have to do is you have to deselect the tool and then reselect it again. So when I select the polygon, notice how down here I have got the number of sides. So if I wanted to say create and octagon, all I have to do is hit 8 and hit the Enter key, and now I am going to be drawing octagons, and I can again, type in my radius if I want as well. So if I wanted a 5-foot octagon, I can do that. Now the thing about the Polygon tool is that it's actually pretty much like the Circle tool. If you look at the Circle tool here, you can see that when I start this Circle tool, I can type in a number of sides.
The only real difference between a circle and a polygon is the number of sides. If you have a high number of sides, then it's going to look more circular. So if I draw the circle here that actually has 24 sides. So if I deselect the circle and select it again, I can actually make this into a Triangle tool just by hitting the number 3 for the number of sides and I can actually create a triangle with the Circle tool or I can create a triangle with the Polygon tool by hitting the number of sides.
So they are very similar, the big difference with this is that when you extrude these, when you are using the push/ pull tools that the circle will actually have smooth sides and the polygons won't. That's really the only difference between the two. So if I select my circle again, and I just put my number of sides to let's say 36, again it will look a lot more circular. So those are the basics of the Polygon and the Circle tool.
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