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Another way to draw curved or smooth surfaces is by using the Arc tool and Again, that's on the Draw, we have Arc or the letter A and it's also here under the Pencil tool. So I am going to go ahead and clear out screen, I am going to select that person Delete and let's go ahead and activate the Arc tool and when you do you can see the icon changes a little bit. So when use a Arc's tool there are 3 clicks, you anchor it first, then you draw out the length and Again, you can type in a number if you want to for this.
You click a second time, and then you determine how big of an Arc you want. And this is called the bulge. So we set the length, and then we set how deep of a bulge we have for that object. And once I do I have my Arc. Now if I want I can draw Again, and the Arc tool actually will snap, so if I want I can snap to this endpoint, this endpoint, and then If I want I can snap along the red axis and kind of bulge this out the opposite direction and when I do because these are all connected I do get an actual face and if I want I can actually pull that up and when I do you'll see that this is actually a curved surface here with two edges on either side.
So Again, is very similar to the Circle tool in the way that it creates lines. One handy way to use the Arc tool is to kind of round off corners on objects. So I am going to go ahead and select all of this and delete it and let's just create a very simple rectangle here. I am going to zoom in on this a little bit and let's select our Arc tool and if I want I can snap two edges and go ahead and start this on an edge, and then I'm going to go and draw my line over to the opposite edge.
Now notice this is actually really handy thing is that this will snap up when it's at 45 degrees, in other words when this is equidistant on the side as it is on this side it will snap and that can be very- very handy because all I have to do now is click that second time and then just bring out the bulge until Again, it highlights, notice how it's come popping violent here and that means it's tangent to the edge and when I do that I now have an Arc that goes tangent to this edge and tangent to that edge and all I have to do now is just go to my Select tool, select the outer edge of this and then just hit Delete.
And once I hit the Delete key now I have a curved edge, very cool. So if I wanted to do that on the other side I could just reselect the Arc tool, go along this edge until I snap and that tells me it's exactly opposite where that tangent hit on the other side. So I am going to lay down my first point here by left-clicking, and then Again, a snap when it gets purple on the edge and then snap when it's tangent to edge, and then I can delete. If I want I can select and Delete, or I can just use the Eraser tool, either way works just fine.
So now that I have this I can extrude it or whatever, or If I wanted to do something even little bit different I can take this Arc and go from opposite side to opposite side and then bulge in the middle as well and then go ahead and select these faces and delete them and now that I have this I can just Again, pull that into a shape if I want, okay. Those are some of the basics of the Arc tool, I'm sure you can find this very handy for rounding off corners or making curved types of surfaces.
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