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Softening round edges

From: Google SketchUp 6 Essential Training

Video: Softening round edges

Now let's talk about smoothing or softening the edges of objects within SketchUp. We are going to create two objects; we are going to create a circle and a polygon. So I am going to create the circle and I am going to type in 12 sides. So I am going to make a 12- sided circle and then I am going to hit the Pull button and pull that up into a cylinder. Then I am going to do the exact same thing with the polygon. So I am going to take a polygon, make sure it's 12 sides, create the polygon, hit the P key and pull it up. So we have two very similar objects. Now the only difference between these is how it's displaying these edges here. So if you click on this cylinder, you will see that it's all -- or at least SketchUp tells us it's all one face. But if we look at it from the top, you can see that even though this is listed as a circle, you still have straight-line edges, because we only have 12 sides to this circle and we have 12 sides to this as well.

Softening round edges

Now let's talk about smoothing or softening the edges of objects within SketchUp. We are going to create two objects; we are going to create a circle and a polygon. So I am going to create the circle and I am going to type in 12 sides. So I am going to make a 12- sided circle and then I am going to hit the Pull button and pull that up into a cylinder. Then I am going to do the exact same thing with the polygon. So I am going to take a polygon, make sure it's 12 sides, create the polygon, hit the P key and pull it up. So we have two very similar objects. Now the only difference between these is how it's displaying these edges here. So if you click on this cylinder, you will see that it's all -- or at least SketchUp tells us it's all one face. But if we look at it from the top, you can see that even though this is listed as a circle, you still have straight-line edges, because we only have 12 sides to this circle and we have 12 sides to this as well.

Now the only difference between these two objects is how the edges are smooth. So let me show you a little trick here. If we go to View and we turn on Hidden Geometry, what we will see here is that we can actually see the hidden edges. Now these edges are actually there in the cylinder, but they are just hidden and they are essentially smoothed out, so that it looks like a curved surface. But in reality, it's exactly the same geometry as the 12-sided polygonal cylinder.

We can actually move between these two just by using the Soften Edges tool. So let me show you how that works. Let's go ahead and I am actually going to turn off this Hidden Geometry, so you can see this as a smooth object. This works on edges, not faces. But I can rubberband select everything and this will work on just the edges here. If I right-click here or Ctrl+click on the Mac, you will see we have an option here called Soften/Smooth Edges. So let's go ahead and select this, and it brings up a little window here.

What this does is it tells us when the angle between these faces essentially, is greater than a certain amount, smooth them out. So let's go ahead and start dialing this up and you can see once you get to a certain point, it's about 30 degrees or so, all those edges disappear. Essentially, what happens is that it becomes a smooth object. So if I click Smooth normals, look what happens. If I turn Smooth normals off, you can see the individual faces, but the edges are hidden. If I turn it on, it smoothes out and blurs those edges as well.

So all you have to do is do that Soften Edges and now I have got two cylinders. Now I can do the exact opposite thing with this, and I can actually view my Hidden Geometry, I can select those hidden edges, and again, I can just do a Soften/Smooth Edges and I can unsmooth it. So all I have to do is just bring that back and unsmooth those normals there, and now my cylinder or my round cylinder is actually a polygon and my polygon is a cylinder. So you can use that very effectively in terms of modeling. Now this is the work and progress that we have. When we created this, we actually created this front round part using a polygonal object. So what I can do here is, if I want to make this actually look round and smoothed out, all I have to do is just select these edges -- in fact, I can just do this. Select those edges, right-click over them, Soften/Smooth Edges, and just smooth those out. There we go, smooth, and mow I have got a smooth round, more of a deco modern pop there. Now I can do the exact same thing for the bottom here. Let's go ahead and select those.

Now what I am doing is I am actually selecting more edges than I need, but you get away with them, when you only smooth them to a certain point than the ones that are actually 90 degrees don't get smoothed anyways. So there we go. So now I have taken an 8-sided half polygon shape here and I have made it into basically a half cylinder. So you can use that a lot when modeling, especially when modeling curved surfaces such as this front wall. So those were some of the basics of softening edges and let's go ahead and move on from here.

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This video is part of

Image for Google SketchUp 6 Essential Training
Google SketchUp 6 Essential Training

55 video lessons · 17621 viewers

George Maestri
Author

 
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  1. 5m 44s
    1. Welcome
      1m 41s
    2. Installing SketchUp
      1m 31s
    3. Tips for Mac users
      2m 32s
  2. 51m 22s
    1. Interface basics
      5m 54s
    2. Navigating in SketchUp
      3m 28s
    3. Walking around in SketchUp
      4m 21s
    4. Creating camera views
      4m 36s
    5. Shading faces and edges
      6m 44s
    6. Creating shadows and fog
      4m 35s
    7. Creating scenes
      2m 24s
    8. Selecting and moving objects
      6m 45s
    9. Scaling and rotating objects
      4m 14s
    10. Manipulating faces and edges
      3m 55s
    11. Advanced selection tools
      4m 26s
  3. 54m 6s
    1. Line tool fundamentals
      5m 25s
    2. Using the Line tool for 3D drawing
      4m 50s
    3. Using the Rectangle tool
      4m 55s
    4. Creating circles and polygons
      3m 33s
    5. Creating arcs
      3m 46s
    6. Pushing and pulling faces into 3D
      8m 11s
    7. Using the Offset tool to create outlines
      6m 14s
    8. Using the Follow Me tool
      3m 49s
    9. Creating text
      2m 44s
    10. Softening round edges
      4m 19s
    11. Using construction tools to create guides
      4m 49s
    12. Creating sections
      1m 31s
  4. 38m 55s
    1. Grouping objects
      4m 54s
    2. Creating components
      6m 37s
    3. The Component window
      5m 51s
    4. Working with layers
      4m 26s
    5. Creating layers
      4m 31s
    6. Using the Outliner
      6m 29s
    7. Hiding and unhiding objects
      4m 23s
    8. Locking and unlocking objects
      1m 44s
  5. 26m 5s
    1. Using the Materials palette on a Mac
      1m 50s
    2. Applying materials
      4m 25s
    3. Editing materials
      4m 22s
    4. Creating materials
      2m 21s
    5. Mapping images
      3m 39s
    6. Applying bitmap images
      2m 21s
    7. Mapping curved objects
      4m 13s
    8. Projecting maps on curved objects
      2m 54s
  6. 26m 26s
    1. Applying styles
      3m 7s
    2. Creating styles
      6m 57s
    3. Outputting 2D bitmaps
      3m 51s
    4. Basic animation
      4m 33s
    5. Advanced animation
      7m 58s
  7. 17m 26s
    1. Contours
      6m 15s
    2. Creating terrain from scratch
      2m 56s
    3. Sculpting with the Smoove tool
      2m 21s
    4. Stamping and draping objects on terrain
      5m 54s
  8. 17m 53s
    1. Using Photo Match to align cameras
      6m 56s
    2. Modeling in Photo Match
      5m 54s
    3. Exporting models to Google Earth
      5m 3s
  9. 15s
    1. Goodbye
      15s

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