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Extruding a sketch into a 3D object

From: SolidWorks 2014 Essential Training

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

Image for SolidWorks 2014 Essential Training
SolidWorks 2014 Essential Training

97 video lessons · 6223 viewers

Gabriel Corbett
Author

 
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  1. 1m 51s
    1. Welcome
      1m 7s
    2. Using the exercise files
      44s
  2. 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. 14m 11s
    1. Understanding the 3D world
      2m 31s
    2. Creating your first part
      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. 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. 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. 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
    10. Adding text to parts
      4m 1s
    11. Using the Convert Entities command
      2m 18s
  7. 9m 33s
    1. Working with planes
      5m 28s
    2. Placing and using axes
      2m 22s
    3. Placing a coordinate system
      1m 43s
  8. 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. 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. 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. 9m 39s
    1. Working with reusable sketches and blocks
      2m 47s
    2. Creating blocks
      3m 51s
    3. Designing with blocks
      3m 1s
  12. 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
    6. Downloading premade parts from the Internet
      3m 32s
    7. Using Toolbox
      4m 21s
  13. 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. 10m 20s
    1. Getting started with the Hole Wizard
      4m 38s
    2. Positioning holes in layout sketches
      5m 42s
  15. 15m 27s
    1. Linking sketches to other parts
      4m 28s
    2. Linking to layout sketches
      6m 48s
    3. Using the Hole Wizard in context
      4m 11s
  16. 17m 15s
    1. Understanding threading concepts
      7m 17s
    2. Using a helix and Swept Path to create a thread
      4m 2s
    3. Understanding internal threads
      5m 56s
  17. 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. 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. 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
  20. 14m 38s
    1. Creating holes and callouts
      5m 8s
    2. Adding center marks and centerlines to a drawing
      3m 46s
    3. Adding item notes
      2m 57s
    4. Making drawing revisions
      2m 47s
  21. 11m 42s
    1. Adding assemblies to drawings
      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. 1m 2s
    1. Next steps
      1m 2s

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