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Another way to put up material or texture on to a curved surface is to project it. We can do this by creating what's called a projector screen and using that to project the image, almost like a slide projector onto the curved surface. So in this case the curved surface I'm going to use is this concave surface that we've carved out of this object. And let's go ahead and create a projector. Now this will be a rectangle that's the same size as the opening of this object, so I'm just going to use my Line tool and just kind of hangout with my Inference tools here, so I'm going to go ahead and make sure that I snapped to this and I'm just holding down my Shift key here, I'm just going to infer that and so I know that that's at the start of this, and then make sure I'll get my inference here, and then again, just I want to make sure I get the inference, and then I can see it snaps to blue there and there.
And hopefully if I did this right, this should be the same aspect ratio as this opening, but it's close enough. So again, I want to apply a material to this curved surface. So first thing I need to do is create my material. I'm going to do that just by importing an image. I'm going to go ahead and do File> Import, and we're going to find that same SoupLabel that we used before, and I want to make sure that I still have this clicked as Use as texture. Hit Open and then this will snap to any surface.
And remember how when you snap it to curved surface it doesn't really work, but it will snap to this flat plane that we've created for the projector. So I'm going to snap to the bottom right and then just drag that up so that I have that applied. Now for one I could probably tweak that a little bit more but for these purposes it should be fine. Now when I do that it creates automatically a material as we've seen, so if I select my paint bucket my materials will come up and you'll notice here I have this SoupLabel material. If I apply it to that curved surface you'll see that well, it's close, you can see that it's not centered and I don't have it exactly the way that I want.
Well, I can fix that by making this a projector. So what I can do is I can select this material, right-click over it and under Texture use Projected, and what that does is it now makes that image projected from this surface. So all I have to do is eyedropper this off of the surface and then apply it. So I can just hit Eyedropper, select it, and then reapply it and it will project exactly from where this is.
So that makes it very, very simple. Now if I were to take the surface here and move it, it would work just fine. In other words, it's already stuck, but if I were to eyedropper this Again, and reapply this notice how it changes. What it does is it projects from that point where it is. So if I undo this you'll see that it goes back to where it was when I first had this position. So the positioning is really important when you first do this operation, but once it's done it's kind of locked in, and then you can move your projector off, or you can even delete it.
So if I wanted to I can take this object which really was just a helper object, and just go ahead and delete that and now my texture is applied properly.
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