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In this course, author George Maestri explains how to model and render 3D objects and scenes using Google SketchUp 8. The course covers the fundamentals of the application, from navigating the user interface, manipulating objects, and building basic shapes to importing objects from Google Earth, animating a scene, and modeling organic terrain using the Sandbox tools. The course also explores SketchUp Pro features, which are available as an upgrade. These include tools for creating dynamic components and adding interactivity, as well as sophisticated importing and exporting options for working with outside applications.
Now let's take a look at how to actually use the Solid tools on objects. So let's go ahead and make a couple of solid objects. So I'm going to clear up my scene here and let's go ahead and just make another box. So I'm going to go ahead and sketch out a rectangle using the Rectangle tool and then select my Push/Pull tool and pull that into a box. And let's go ahead and create a cylinder as well. So I am going to select my Circle tool and then sketch out a circle something like this and then just Again, use the Push/Pull tool to pull that up, and I want to make it little bit taller than that box.
So now I have a two -- well, actually there are two collections of faces; they are not objects yet. So I'm going to go ahead and hit my Spacebar, use my Select tool to rubber band select the box. Right-click over it Make Group and let's take a look at our Entity Info. Yes, it is a Solid Group. This is good and let's do the same for the cylinder. So Again, Selection tool; left click and drag, make sure we've got everything in there, right-click, Make Group, and right-click, Entity Info, and yes, we have two Solid Groups. Great! So now we can use these to work with the solid tools.
Now you can find the Solid tools here; under tools>Solid tools, and there is also a toolbar here for Solid tools as well, and that's this toolbar here; I can actually pull that off here. So we have one called Outer Shell, Intersect, Subtract, Split, Union, and Trim. We're going to be able to these first three which are Intersect, Union, and Subtract. In fact, you can find them here on the menu here. So let's look at these first three.
These are basically the same as Boolean tools. So if you're familiar with 3D modeling at all, you'll kind of understand what a Boolean tool is or even if you're using Drawing pad such as Illustrator, they also have Boolean tools, which allow you to subtract curves from each other and these working very much the same way. So I'm going to go ahead and move this cylinder in towards the corner so it overlaps the corner of the box. I want to make sure it goes not only over the corner, but also goes below, this is why I drew that cylinder taller because I want overlap on all sides.
So now let's take a look at what we have here. We have a box and a cylinder and they are separate objects, and if we can view it through our Face Style>X-ray, you can see how they just overlap. There are no edges that define the intersection between them. So I am going to go ahead and turn this off so we can just see these. So now we can use the Solid tools to actually combine or subtract these objects.
I am going to select my cylinder, I am going to do tools>Solid tools and the first one, let's do Subtract, because this is the most obvious. So I am going to select Subtract and it's going to ask me for the second object. So if I hover over something that's not a Solid Group, it will tell me no and if I do hover over something that is a Solid Group, it will tell me. So all I have to do is left click on the box and now what we've done is we've subtracted the cylinder from the box.
So what I've done is I've actually used that cylinder as a cutting tool. So what I do is I select my cutting tool, select my operation, and then select my second object or the object to be refined. So I'm going to go ahead and hit Ctrl+Z or Command+Z to undo this and let's go through some of these other operations. So I am going to select my cylinder. Solid tools and let's this time do Intersect. Again, the same thing happens. So I select my initial object and then the object to be affected, and when I do that, it creates the intersection.
So let me undo this here. So if we look at what we have here, the intersection is where these two overlap. So when I do that, it basically just creates only those parts where those two objects intersect. So I'm going to go ahead and undo this again. So let's go ahead and select this and let's do one more. Let's do Solid tools>Union. Now what the Union does is it just combines them into one big object.
This, it seems like it didn't do anything, But and this is important, what it did is it created an edge along here, and really go back to where it was. So let's take a look at this in X-ray mode and this will give us a little bit better idea as to what's happening here. So what it did was, it actually deleted that part of the cylinder and the box that were overlapping and it created this nice clean intersection point here.
This is just another way of combining objects. So let's take a look at this in a more practical perspective here. I'm going to go ahead and open a file here called Solids_01 and this is basically just a box and a couple of -- they may look like bread loaves, but basically we are going to use these to cut arches into this box. So I'm going to go ahead and select this particular object here and I'm going to move it along the green axis.
So I am going to hold down my Left-arrow key and make sure I move this directly into that box, make sure that it's overlapping here. And let's go ahead and do tools>Solid tools>Subtract. So I am going to subtract this out of my box. So once I hit that, you can see I've made a very nice archway. Now we can do this again. So I'm going to go ahead and select this second bread loaf or whatever you want to call it and this time I am going to move it along the red axis by holding down the right-arrow key and Again, I just want to get that overlap right.
And this time, I am going to go ahead and select Subtract here from the toolbar and then Again, select my box. And so what I've done here is just by doing this, I've created a very nice archway into this object here. So you see how these Boolean tools; Subtract, Intersect, and Union can combine or subtract objects from each other to make more complex objects.
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