# Sketching polygons

## Video: Sketching polygons

Polygons are any shape with three or more sides.

## Sketching polygons

Polygons are any shape with three or more sides. The Polygon tool allows you to choose the quantity of sides and the method used to define the shape. Let's go ahead and click on the top plane, start a sketch, and come up here to the Polygon tool under the Sketch palette. And click on that. Notice I can have the option to create a polygon purely for construction. I could define how many sides it has and we go ahead and start with a five-sided shape. And I can use either a inscribed or a circumscribed circle. I can define the center point. I can also define the size or I can just go ahead and define that in the sketch.

So go ahead and choose the Origin, click and drag out your shape and go ahead and click again and notice as soon as I do that I've got the circle that controls the size and I've got my shape here. So what I can do now, is I can define the size of that circle. Maybe to say 3.0. And if I want to square this thing up I can click on maybe one of these line segments in the bottom, and say it's horizontal. When the whole thing turns black, it's fully defined, it knows where the center point and it knows it's size, and it knows the angle it's at. Then, what you can use, is if you have a shape like this, you can actually use that as construction geometry for other shapes.

For instance, if I were to take any one of these line segments, or all of them. And select them all, holding down Ctrl, and say for construction. Switch over that, and it can use this as a controlling shape to define something else. For instance, if I wanted to draw a star, I could start from down here, and just copy from point to point. Quick way to draw a star, a nice easy way to control it from there. And then if you'll want it to ever change the size, just double click on it, 4.0, adjust the size. Okay, go ahead and delete that. Now if we go back to the Polygon tool, this time I'm going to use a circumscribe circle, and this time I'm going to make a seven sided shape.

Again, I'm going to choose either from the origin or somewhere else. This time, I'm just going to draw it over here. And there's my shape. This time, it has a circle on the outside controlling it, and of course, I can go ahead and dimension this. I can override her if I want by just double clicking it. And of course I can move that around the screen. I can come back up here again. I can choose maybe an octagon, eight-sided. We'll make it a circumscribe circle, and drag it out. And this one, I can easily dimension from one line segment to the other segment. Let's give it a five inch dimension.

If I wanted to, I can change the angle of this, if all I could use is maybe a couple center lines. I could say from this line here, I'm just going to go ahead and draw a horizontal line out. And then maybe again, I'll draw one more line to one of the end points. Then I can define a angle between the two, maybe we'll say 30 degrees. And of course, it's still blue because it doesn't know where it is in space. So I could grab the center point or any one of these corners, and snap it to the origin if I wanted to, or what I could use is maybe a couple center lines and define, from the origin, a line out to here, and then a line to the center point.

Then add a couple dimensions there. In this case here, 6.0 and over here it will say, 1.0. Now everything turns black and it's exactly where it is and it's exactly what angle it is. I can obviously change any values here, maybe 60 degrees. Everything spins around, still stays black. It's fully defined. Again I can come up here and change the size, 3.0, adjust it, and everything looks good. It works good, and it allows you to lay out things very easily using these nice polygons, which really save you a lot of work when you're working through multisided shapes. I also want to point out that you can delete parts of the polygon, in this case here, we have a 7-sided shape.

Notice it's created using these patterned lines. So if I click on any one of those, I hit Delete, and now what I can do is actually grab one of these shapes and just drag it around to create some new shape that I might be using. So you can use polygons as a starting point for a multi-sided shape. And easily delete the relationships you don't need or continue to add them back in to create whatever shape you want. The Polygon Tool is easy to use and saves a lot of time over creating shapes, with just the Line Command. It also allows the user to later edit the polygon without changing or re-adding relations or dimensions.

Show transcript

#### This video is part of

SolidWorks 2014 Essential Training

97 video lessons · 7509 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
20. ### 19. Adding General Annotations

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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