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The circle tool is the next step in sketching. From the circle tool we also get arcs. There are several methods to creative circles in SolidWorks, and the most basic is the center point circle. Click once where you want to start the circle, click again where you want to define the radius. To get started let's go ahead and choose a top plane. Click on that, and start a sketch, and come up here to the circle too. And notice we have the circle tool here. Now you click on the drop down next to it, you have, two different types of circles, circle, and perimeter circle. The most basic is a center point circle, just click on the origin, or anywhere else, click once, drag out the size you want, just to find the radius as i drag, click again, and there it is.
I can also do the same thing out here, click once, click again where you want the radius to be, and there it is. If you want to move those circles around, notice this one here has an automatic relationship added to it so it can't move because it's been tied to the origin. However, this one over here, I can easily drag it around from the center point by grabbing on the center point or I can grab on the outside to change the size of that circle. So, two different ways to move it around. You choose the center point, you can drag it around. You choose the outside of the circle you can change the size. The other type of circle is the perimeter circle. Click on this, and this is going to give us three points.
So my three points might be. Notice there's two different types out here. I can choose a point right here, a point here, and then a point maybe down here. That will define that circle. So I can place the circle between multiple items. It's also a great way to draw circles if you have multiple items you're working with. For instance, if I have a couple center lines that are in my design, and I want to put a circle here, I can choose a perimeter circle, pick one of the corners, pick the other corner, and I can define how I'm going to place that shape between those points. It's a really handy way to easily create geometry and circles, using a simple couple commands.
The circle tool and the line command are the two Sketch entities used most to build geometry in SolidWorks. Master of these tools is essential to being proficient in SolidWorks.
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