Extruding a sketch into a 3D object

Video: Extruding a sketch into a 3D object

Let's get into the solid aspect of SolidWorks. Until now, we've learned how to create sketches and work with sketch geometry. Now I want to see what happens if I go back and

Extruding a sketch into a 3D object

Let's get into the solid aspect of SolidWorks. Until now, we've learned how to create sketches and work with sketch geometry. Now it's time to take those sketches and turn them into 3D solids. The first of these commands is the extrude command. The requirements are a closed sketch region or multiple closed sketch regions, and then just choosing the extrude feature. In this case here, I've got a circle, and I've got a rectangle, inside of each other. What I'm going to do now is, I'm going to come up to Features, click on Extrude Boss/Base, and click OK. And what that does is, it fills in the space between the circle and the rectangle with a solid feature.

Go ahead and grab the arrow, pull it up, and I could also come over here on the left and actually type in a number. So I'm going to type in 6, click OK and accept it with the green check mark. And there it is, a very simple Boss Extrude feature from a simple sketch. Now I can go back and modify this as well by choosing either the featured itself or expanding that out and choosing the sketch directly below it. So in this case here, I might choose the feature itself, click on Edit Feature Now I can also, instead of just a blind feature, I can also choose this drop-down here. I can choose up to vertex, up to surface, offset from surface up to body.

But a lot of these things, we don't have other bodies in our model, or other surfaces, so we can't use them quite yet. But we'll be using those more in depth, in later chapters. But we can use Mid-plane. Take a look at Mid-plane. That just does it both directions, the same amount. And I can say maybe 10. You can see it goes both directions from the sketch body that we've originally created. We also have the ability to add draft if we wanted to, and we can adjust how much draft that is. And we can draft the other way as well if we need to. So a lot of really cool, powerful tools that are involved in the Boss-Extrude feature. Also keep in mind we have the ability to change where we're extruding from.

By default, we're extruding from the sketch plane. However, I can change it from a face, a plane, or even an offset. If you choose offset and change this back to blind, I can then offset it from where I drew the sketch at. So now I can see I'm moving the entire block up above the sketch plane it was actually drawn on. So definitely take a look at some of those different options. There's some real powerful changes to the model. For right now I'm going to go ahead and turn that off and click OK. Now I want to see what happens if I go back and take a look at the sketch itself. Click on the sketch, edit the sketch.

In this case here, I'm going to take this circle inside here and I'm going to drag it outside of the rectangle. Now I'm going to click on exit sketch and see what happens. Wow, take a look at that. Now what happened was the circle that was inside is now outside but still SolidWorks fills in the space between the outside boundary and the inside boundary just the same. You have to think about features and SolidWorks like 2 independent items. The sketch itself defines the shape, and the Boss Extrude just defines how much it's being extruded or pulled into free space. So really, the Boss Extrude does not really care what's in sketch 1, as long as it can figure out what to do, it's going to take that sketch entity, drag it up and pull it into 3D.

So really, they're independent of each other. In fact, I can go back to the sketch here and I can improve it, maybe I'll add a few more circles. How about one up here? One down here, one over here, and one over here. How about a flat section? Maybe I'll take a line and I'll cut a line from here, all the way across over to here. And adjust it a little bit and maybe I'll practice using some of my trim tools. Here's the power trim, I'll trim this away, trim that away, and trim that away. Now exit out of the sketch and that automatically all gets put into my new Extrude feature.

Now if I want to continue on, I can choose either a face or a plane to start another Extrude feature and start building things on top of each other. So in this case here, I'm going to choose this face here. Come up to sketch. Choose a sketch, and I'll choose a circle, and I'll just drag that out. Features, Extrude, and I'll drag this out a little bit. Type in the number, we'll say 15. Looks good. Click OK. Again, it's like Legos, we're just stacking them one on top of each other to build a more complex shape. Now I have the option, I can choose maybe a face like this.

Again choose a sketch, start a face, draw a rectangle, or whatever you want, click on Features, click on Boss Extrude. In this case here, I could say well, I'd like to actually extrude up to this face here, wherever it happens to be. So in that case here, I can choose, Up To Next. I also have a lot of other options here as far as Blind, Through All, Up To Next, Up To Vertex, Surfaces, Mid Body, so take a look at some of those. As you get into more complicated shapes, You can start utilizing some of these to really help out. Click OK. There we go. Of the 4 main, solid features, Extrude is the most common and easiest to use.

The feature itself is very simple. However, it builds on the complexity of the underlying sketch. There are also a variety of in-constraints that you can assign to this feature to affect how it builds the shape. The Extrude command is the building block that is used most in model creation.

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This video is part of

SolidWorks 2014 Essential Training

97 video lessons · 6223 viewers

Author

Expand all | Collapse all
1. Introduction

1m 51s
1. Welcome
1m 7s
2. Using the exercise files
44s
2. 1. Touring the Interface

31m 13s
1. Launching SolidWorks for the first time
3m 55s
2. Accessing and customizing the Ribbon
4m 14s
3. Touring the shortcut bar and identifying essential keys
7m 27s
4. Saving, renaming, and managing files
10m 28s
5. Working with the new view cube, or View Selector
2m 36s
6. New features in SolidWorks 2013 and 2014
2m 33s
3. 2. Getting Started with 3D

14m 11s
1. Understanding the 3D world
2m 31s
3m 15s
3. The virtual, parametric prototyping environment
1m 56s
4. The FeatureManager and feature-based modeling
3m 43s
5. History-based modeling and the rollback bar
2m 46s
4. 3. Basic Solid Modeling

28m 32s
1. Starting a new sketch
6m 50s
2. The six steps used in almost all modeling features
52s
3. The Line and Centerline tools
3m 25s
4. Using the Circle tool
1m 51s
5. Adding and removing relationships and dimensions
6m 56s
6. Understanding relationship types
3m 58s
7. System options, units, and templates
4m 40s
5. 4. More Drawing Tools

18m 28s
1. Drawing rectangles
5m 31s
2. Creating arcs in a sketch
4m 8s
3. Drawing splines in a sketch
4m 57s
4. Sketching polygons
3m 52s
6. 5. Sketch Editing Tools

36m 5s
1. Trimming and extending portions of a sketch
3m 54s
2. Creating offset geometry
3m 13s
3. Moving, copying, rotating, and scaling elements
3m 13s
4. Erasing, undoing, and redoing actions
2m 24s
5. Using the mirror tools
2m 24s
6. Creating repeating patterns in a sketch
4m 55s
7. Using construction lines to build robust sketches
3m 25s
8. Applying fillets and chamfers to a sketch
2m 32s
9. Working with slots
3m 46s
4m 1s
11. Using the Convert Entities command
2m 18s
7. 6. Reference Geometry

9m 33s
1. Working with planes
5m 28s
2. Placing and using axes
2m 22s
3. Placing a coordinate system
1m 43s
8. 7. Building 3D Geometry

17m 50s
1. Extruding a sketch into a 3D object
4m 36s
2. Using Revolve to create 3D parts
2m 42s
3. Using Loft to create complex shapes
4m 40s
4. Refining a loft shape with guide curves
2m 22s
5. Using the sweep to create wire and pipe shapes
3m 30s
9. 8. Removing Material

20m 23s
1. Modifying parts using the Extruded Cut tool
5m 42s
2. Working with the Revolved Cut tool
6m 19s
3. Using the Lofted Cut tool
3m 32s
4. Cutting holes and grooves with the Swept Cut tool
4m 50s
10. 9. Refining Geometry

21m 5s
1. Using fillets and chamfers to smooth corners
5m 58s
2. Creating repeating rectangular patterns
3m 16s
3. Creating a circular pattern
2m 27s
4. Mirroring objects
4m 0s
5. Using the Shell and Draft tools
3m 52s
6. Scaling parts
1m 32s
11. 10. Blocks

9m 39s
1. Working with reusable sketches and blocks
2m 47s
2. Creating blocks
3m 51s
3. Designing with blocks
3m 1s
12. 11. Assembly: Putting It All Together

29m 45s
1. Understanding the tools for beginning a new assembly
4m 46s
2. The basic steps in creating an assembly
3m 18s
3. Mating parts together in an assembly
6m 43s
4. Working with subassemblies
2m 9s
5. Linear and circular assembly patterns
4m 56s
3m 32s
7. Using Toolbox
4m 21s

15m 8s
1. Mating parts with coincident, parallel, and distance mates
4m 35s
2. Mating parts with width mates
5m 53s
3. Mating parts with path mates
2m 5s
4. Mating parts by aligning planes
2m 35s
14. 13. Hole Wizard

10m 20s
1. Getting started with the Hole Wizard
4m 38s
2. Positioning holes in layout sketches
5m 42s
15. 14. In-Context Modeling

15m 27s
1. Linking sketches to other parts
4m 28s
6m 48s
3. Using the Hole Wizard in context
4m 11s
16. 15. Creating Threads on Parts

17m 15s
7m 17s
2. Using a helix and Swept Path to create a thread
4m 2s
5m 56s
17. 16. Equations and Design Tables

17m 25s
1. Using equations to drive a sketch
5m 5s
2. Working with complex calculations
2m 6s
3. Integrating Microsoft Excel to manage design tables
7m 10s
4. Building assemblies using part configurations
3m 4s
18. 17. Part Drawings

23m 17s
1. Working with drawing templates
6m 49s
2. Setting up drawing options and sheet properties
3m 43s
3. Choosing the correct projection angle
2m 21s
4. Adding model views to a drawing
10m 24s
19. 18. Dimensioning

16m 8s
1. Creating general dimension notations
6m 37s
2. Creating ordinate and running dimensions
3m 0s
3. Dimensioning holes and curved features
3m 8s
4. Using the autodimension tools
3m 23s

14m 38s
1. Creating holes and callouts
5m 8s
2. Adding center marks and centerlines to a drawing
3m 46s
2m 57s
4. Making drawing revisions
2m 47s
21. 20. Assembly Drawings

11m 42s
2m 10s
2. Including a bill of materials
1m 42s
3. Adding balloons to specify parts on an assembly drawing
1m 39s
4. Adding a title block and sheet properties
2m 8s
5. Building an exploded view for an assembly drawing
4m 3s
22. Conclusion

1m 2s
1. Next steps
1m 2s

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