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Creating circles and polygons

From: Google SketchUp 8 Essential Training

Video: Creating circles and polygons

Up until this point we've been working mostly with Rectangles and Boxes and that sort of thing, but SketchUp also has Circles and Polygonal tools as well. There are two tools we want to look at today and that's the Circle and the Polygon tool. So those are under the Draw menu, we have Circle hot key of C, Polygon with no hot key. And these are also found here are on the toolbars. So let's go ahead and clear out our scene, I am going to select this person and hit Delete and then let's activate the Circle tool.

Creating circles and polygons

Up until this point we've been working mostly with Rectangles and Boxes and that sort of thing, but SketchUp also has Circles and Polygonal tools as well. There are two tools we want to look at today and that's the Circle and the Polygon tool. So those are under the Draw menu, we have Circle hot key of C, Polygon with no hot key. And these are also found here are on the toolbars. So let's go ahead and clear out our scene, I am going to select this person and hit Delete and then let's activate the Circle tool.

When you do that notice how it's just a pencil over circle, pretty self-explanatory. So all you have to do is left-click and drag and left-click Again, and you have a Circle. Okay, with the Circle tool you can type in measurement, so you can type in a radius. So if I want I can left-click and drag and then just type in the radius. So if I want a 2 foot circle I can just type 2 feet and it will create that. Also remember when you draw a circle it will infer and snap when you're parallel to the green, the red or the blue axis.

So if I want all the centers of this to be concentric it helps me, it'll make an inference for me in doing that. Now let's take a look at the Polygon tool, it's also very similar to the Circle tool. So if we select the Polygon tool it will go ahead and allow us to draw a polygon. Now notice here on the bottom it says Sides 6 that tells me we're going to draw a 6 sided object or a hexagon.

So all I have to do is left-click and drag, and then If I want as I drag I can rotate this around to get this oriented the way that I want and also drag for size and then when I click the second time it blocks it in. So just like with the Circle I can type in a radius, so if I want to I can select this and let's say I want a 2 foot hexagon, I can do that as well. The other thing about this is that we can also change the number of sides, let's say you don't want a hexagon, you want a triangle or an octagon or something like that.

So you can also change that. Now in order to change that you have to reselect the Polygon tool, this is a way you get that number of side. So I am going to hit spacebar, go in to Select mode and then select my Polygon tool again. And now the number of sides comes up, so let's go ahead and type in 8 sides and enter and notice how that changes to an octagon. So now all I have to do is drag that out if I want I can type in the radius However, I want and there is the octagon, if I want a triangle Again, after reselect the tool, select this and let's say I want 3 sides, change this to a triangle and now I can draw a triangles, very-very simple.

Now you noticed how these tools actually work very similarly. In fact, they are pretty much the same tool. I am going to go ahead and clear this out because let's take a look at the Circle tool again, when I click on the Circle took notice it also gives me a number of sides. So In fact, the Circle tool is just a Polygon with a large number of sides, so I wanted to I can actually reduce that, I could say I want 6 sides and it'll go ahead and make a hexagon and if I go over here and select the Polygon tool, do the same thing let's say I want 6 sides I could draw another hexagon.

You can say well you know that's pretty much the same object, is there any difference between those? The difference comes in when you actually extrude these into a 3-D shape, so I am going to go to my Push Pull tool and I'm going to pull my circle-based object up, and then I'm going to go ahead and pull the polygon one up. And if you notice the difference is that one has edges on the slides here and this one doesn't and so that's the difference is that this one will create hard edges when it's extruded, this one will create soft edges.

Now you'll notice this a little bit more when you up the number of sides. So let's go ahead and redraw this one more time. I am going to go over to my circle and I am going to put it back up to 24. So with a 24 sided circle when I pull this up you are going to have basically a very cylindrical shape. If I do the same thing with a polygon, so let's type in 24 sides and Again, just sweep out an object here, and then I'm going to select my Pull tool, pull it up you can see the difference.

So that's really why we have a different Circle and Polygon tool. Now this goes even further if I want to push and pull a face I can do it on this one here because I have edges from which to pull. I can't do it on this curved or smooth surface that you get from the circle. So that's the big difference, you cannot extrude a smooth surface because it doesn't have edges, it doesn't have flat plains. On this one these are all flat so it knows what direction to pull; it will pull perpendicular to this.

With this face here there is no perpendicular. You can pull the top one here because Again, that's flat you can only push and pull flat faces. So those are some of the differences between the Circle and the Polygon tool and I'm sure you can find a number of different ways to use these to create all sorts of interesting objects.

Show transcript

This video is part of

Image for Google SketchUp 8 Essential Training
Google SketchUp 8 Essential Training

88 video lessons · 27756 viewers

George Maestri
Author

 
Expand all | Collapse all
  1. 7m 18s
    1. Welcome
      1m 8s
    2. Installing SketchUp
      1m 12s
    3. Starting SketchUp for the first time
      47s
    4. Using the exercise files
      49s
    5. Tips for Mac users
      3m 22s
  2. 43m 52s
    1. Interface basics
      4m 42s
    2. Adding toolbars
      2m 38s
    3. Navigating
      3m 48s
    4. Changing perspective
      2m 51s
    5. Walking around
      3m 12s
    6. Creating camera views
      5m 15s
    7. Shading faces and edges
      7m 59s
    8. Creating shadows and fog
      5m 50s
    9. Creating Scenes
      5m 9s
    10. Setting preferences
      2m 28s
  3. 22m 19s
    1. Selecting and moving objects
      6m 25s
    2. Scaling and rotating objects
      5m 36s
    3. Manipulating faces and edges
      4m 8s
    4. Advanced selection tools
      6m 10s
  4. 48m 47s
    1. Line tool fundamentals
      5m 42s
    2. Refining objects with the Line tool
      3m 39s
    3. Using the Rectangle tool
      4m 44s
    4. Pushing and pulling faces into 3D
      5m 30s
    5. Creating circles and polygons
      6m 5s
    6. Creating arcs
      4m 0s
    7. Using the Offset tool to create outlines
      8m 33s
    8. Using the Follow Me tool
      3m 24s
    9. Softening round edges
      5m 16s
    10. Creating 3D text
      1m 54s
  5. 16m 45s
    1. Using the Tape Measure tool
      4m 41s
    2. Using the Protractor tool
      7m 16s
    3. Creating text labels
      1m 7s
    4. Using the Dimension tool
      1m 18s
    5. Creating sections
      2m 23s
  6. 20m 45s
    1. The Component window
      5m 32s
    2. Creating components
      3m 55s
    3. Using the 3D Warehouse
      3m 15s
    4. Importing from Google Earth
      2m 26s
    5. Using the Interact tool
      1m 54s
    6. Using the Component Options window
      3m 43s
  7. 25m 3s
    1. Grouping objects
      5m 42s
    2. Working with layers
      3m 27s
    3. Creating layers
      4m 20s
    4. Using the Outliner
      6m 42s
    5. Hiding and unhiding objects
      2m 48s
    6. Locking and unlocking objects
      2m 4s
  8. 41m 32s
    1. Using the Materials Browser on a Mac
      2m 49s
    2. Applying materials
      3m 2s
    3. Editing materials
      5m 4s
    4. Creating materials
      3m 19s
    5. Adjusting materials
      4m 38s
    6. Applying bitmap images
      2m 43s
    7. Mapping curved objects
      3m 39s
    8. Projecting maps on curved objects
      3m 27s
    9. Importing floor plans
      4m 27s
    10. Modeling with floor plans
      8m 24s
  9. 27m 11s
    1. Applying styles
      2m 26s
    2. Editing styles
      8m 30s
    3. Outputting 2D bitmaps
      3m 13s
    4. Basic animation
      5m 56s
    5. Advanced animation
      7m 6s
  10. 20m 40s
    1. Creating terrain from contours
      6m 22s
    2. Modeling objects with contours
      1m 42s
    3. Creating terrain from scratch
      3m 40s
    4. Sculpting with the Smoove tool
      3m 2s
    5. Stamping and draping objects on terrain
      5m 54s
  11. 15m 3s
    1. Geolocation with Google Maps
      3m 11s
    2. Using Photo Match to align cameras
      4m 30s
    3. Modeling in Photo Match
      7m 22s
  12. 59m 46s
    1. Using the Component Attributes window
      6m 41s
    2. Exposing component attributes
      6m 0s
    3. Using math and functions
      8m 49s
    4. Creating dynamic materials
      7m 2s
    5. Creating a dynamic staircase
      8m 52s
    6. Hiding objects dynamically
      2m 58s
    7. Configuring staircase rise and run
      5m 21s
    8. Adding interactivity: Motion
      5m 24s
    9. Adding interactivity: Rotation
      4m 55s
    10. Adding interactivity: Changing colors
      3m 44s
  13. 15m 58s
    1. Creating solids
      2m 25s
    2. Using Boolean operations (Union, Intersect, Subtract)
      6m 46s
    3. Working with Trim and Split
      4m 45s
    4. Creating outer shells
      2m 2s
  14. 21m 28s
    1. Importing objects from AutoCAD
      6m 40s
    2. Importing other 3D objects
      3m 8s
    3. Exporting objects
      5m 39s
    4. Exporting objects for rendering
      6m 1s
  15. 14s
    1. Goodbye
      14s

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