Uncover the advanced features of sketching in Fusion, particularly those related to creating revolved 3D shapes from sketches. The discussion focuses on the use of the Revolve function, which enables users to create circular shapes around a specified axis, expanding the possibilities for 3D design in Fusion.
Key Insights
- The Revolve function in Fusion allows for the creation of 3D shapes by revolving a sketch around a specified axis line, creating circular-type designs.
- The sketch used in the Revolve command requires two essential elements: a central axis line and a fully enclosed shape, which is created by returning to the sketch's starting point.
- Within the Revolve command, users can modify their 3D shapes by adjusting the degree of revolution. For instance, a 180-degree adjustment would result in half of the shape, presenting a range of design possibilities.
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There is so much more to sketching in Fusion, so let's jump right in. Let's go ahead back to our Home tab and click the New button. We're starting with a fresh workspace.
If we go up to the Create dropdown, we'll notice a section of tools below Extrude. These are sketch-dependent geometry. We've done the extrude, which meant we drew a flat shape and extruded it into 3D geometry.
The next one in the list is called Revolve, and how the Revolve works is we create an axis line, and we also create a continuous sketch, and then we use Fusion to revolve that sketch around the axis line to create a circular type of shape. Let's do it. Before we click anything here, we need to create the two sketches that the Revolve command needs.
Let's go back to our Create Sketch button, and this time we want to pick our front vertical face. So click that face right in the front, and then click our Line tool. So click the Line tool.
We'll sketch right in the center and click up. It doesn't matter how far. We just want a vertical line.
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So click again and click Finish Sketch, and go back to our Home view. All right, so all we have here is one vertical line. That's our center axis.
Now we want to create the shape to spin around this line, so we'll go back to Create Sketch. Again, we will select that front plane, click, and now off to the right, we want to draw our shape that's going to get spun around the axis. Have fun with this.
Draw a shape you'd like. We'll start with the Line tool, and we don't want to get too crazy because we do want the sketch to work, but draw a shape that makes sense for you. We can even use curves by clicking and holding, and we can go below the original ground plane if we'd like.
The trick is to make sure that we go back to the point where we started. If we do that, that will create a shaded shape, and we know that it's complete. Once we've got a complete, fully enclosed shape, we can click the Finish Sketch button.
All right, not much to see yet. Let's go back to the Home view. Now we can begin that Revolve command.
We go down to Create and click Revolve. Now it's going to say Profile. It might say Once Selected.
If it does, click the X so that nothing is selected to make sure we're selecting the correct profile. We'll click the Select under Profile, click our full profile shape, then click Axis, Select button, and click our vertical line that creates the axis. The moment we click that line, Fusion spins the shape around and creates that revolve right away.
We can orbit and see that shape that it makes. Now we have a couple of different options here. Instead of full, we can do partial.
For example, we can do 180 degrees, and that will give us half of the shape. We've got a couple of options here. We'll just leave it full for now and click OK.
Pretty cool. You've done a great job making a revolve.
