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Trimming and extending portions of a sketch

From: SolidWorks 2014 Essential Training

Video: Trimming and extending portions of a sketch

The trim and extend tools allow the creation of that one to that one, that one to that one.

Trimming and extending portions of a sketch

The trim and extend tools allow the creation of complex shapes and building geometry that combines with other shapes. The trim tool has various modes it can operate in. The most powerful is the power trim tool. This should be your go-to tool for modifying sketch elements. So let's take a look at a few tools we have available. First under the trim entities, button up here, I'm going to click on the drop down arrow. And I'm going to start with the extend entities. Click on that. And this tool works pretty simply. Any entity you go over like a line like this, it'll give you a preview of what's going to happen. I'm going to actually click on this line. It's going to extend it all the way up to this line here.

So click on that, extends it up. Click on the line over here, it extends it over. You can use those for the arcs as well. Click on an arc and it'll extend it this way or it'll extend it that way depending on which side of the arc you happen to be on. Click over here, extend it over to there. If you click on an entity like this one, notice it can't extend this way or that way to hit anything, so it just doesn't do anything. So, keep in mind. It's only going to extend if there's something to extend up to. Over here, it's going to extend that way. Over here, it's going to extend that way. Okay? That's the extend tool. Now, we're going to jump over to the trim tool. Now in trim tool, I'm going to start at the very bottom here.

Trim to close it. Think of trim to close this like a a pair of scissors and it's going to trim that entity up to the next item it sees. In this case here, I'm going to trim this line here. It's going to trim all the way up to this line segment. So a click here trims it away. Same thing here, trims it away, trims it away. I can trim off little sections here. And clean up the corners. Pretty straightforward, easy to use, and I'm going to go ahead and say Undo a few times here to get those line segments back. Okay. Now I'm going to switch over to a different trim tool. I'm going to go to the Trim Away Outside tool. In this case here, I'm going to choose 2 lines which are going to bound the trim.

So I'm going to click on this line here and this line here. And then I'm going to trim away everything on the outside of those 2 lines. So if I click on any one of these segments here, it trims away the 2 outside segments of that line. I can choose the inside of the line, doesn't matter, or the other side. Doesn't matter. I'll just trim away anything on the outside of these 2 lines here. Again, I'm going to undo a few times, bring those lines back, and we're going to switchover to the next trim tool, which is trim away inside, which works exactly the same way. This time I'm going to choose the 2 bounding lines, and then I'm going to trim away anything between those 2 lines.

I can choose the center of the line or I can just choose the right side of the line. Anywhere on that line segment, it's going to trim away anything between the 2 bounding entities. Okay. Come up here to corner trim, and corner trim will just trim away 2 lines that are intersecting, so this line here I'm going to trim this corner to that corner and it's going to trim away those 2 outside lines. That one to that one, that one to that one, that one to that one. Pretty straightforward. And finally, let's jump over to power trim. Power trim is my favorite trim tool. And really, if you're using power trim, you don't really need most of these other trim tools at all. Power trim is a little harder to understand how it works in the beginning though.

And what it is, it's a little gray line, and anything that line cuts through, will automatically trim up to next. So start over here on the right hand side. I'm not going to click on any of the lines at first, I'm just going to start out in the space. Click, and I'm going to hold down with my left mouse button, and I'm going to drag. And notice I see this little gray line on the screen, of what I'm going to be drawing. So think about like a little pencil. Anything the pencil draws through, it'll automatically trim away. So I'm going to come up here, and I'm going to start trimming this very first line, and as soon as I trim through it, it just cuts it away, cuts it away, cuts it away. Come over here I can cut this line here, and it trims it away. Okay and if you let go, It turns it off.

Go ahead and click again, click and drag. I'm going to trim here. Come around here and trim, and trim, trim, trim. So you can really delete a lot of geometry really quickly using this trim tool. Again, come over here, trim, trim, cuts away that segment. You can come over here and trim this away. You can trim away circles. You can trim away lines. You can trim away things like this. Or you can continue to hold down that mouse button and just trim away just about anything. So very powerful tool, quick and easy to use. Just remember, start outside of the line segments and drag through them. To trim up to closest.

The Trim tool's an essential tool for building complex shapes in a sketch environment. By leveraging the Trim and Extend command, you can rapidly modify existing geometry, and take your sketches to that next level.

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This video is part of

Image for SolidWorks 2014 Essential Training
SolidWorks 2014 Essential Training

97 video lessons · 6256 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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