Join David Andrade for an in-depth discussion in this video Lattices, part of Blender: Tips, Tricks, & Techniques.
- [Instructor] One of the most underutilized tools in modeling is a lattice. In this week's tips, tricks, and techniques we're going to go over the incredible power of this modifier. Now to turn it on, we have to do a couple of things. First, let's get rid of this cube, so X to delete. Shift + A, let's add a monkey. Shift + A, again, let's add a lattice. We can zoom in to this lattice by going to View Selected or just hitting the Number Pad + Period button. We're going to size up the lattice, and we're going to do it in Object Mode, not Edit Mode, and I'll show you why a little bit later.
Let's add a couple of more. Here we go. Go to four, and then let's go to our monkey. Go to modifiers, and let's add a lattice modifier, and pick the lattice object. Okay, now nothing's happened so far, but the moment I go into Edit Mode on my lattice, I can start to play around with this monkey and do some pretty crazy stuff. Maybe I want to pull him out.
Maybe I want to squish him down a little bit. Do something kind of crazy like that. And look! Now my monkey has a flat head and a long ear. But, the coolest thing about lattices is that they're non-destructive, so I could turn off the whole thing and just leave it. Or, if I wanted to, I could apply it as a shape key, and then go to my shape keys, and turn it on or off, or even animate to it. I'm going to undo that really quick. There we are.
And now I can also, move my monkey through the lattice. So if I select my monkey and just move him around you can see what's happening. It's as if he's moving through a shape or, you know, maybe those glasses and tubes that are in cartoons, and they make your head really big and funny. You know, you can do all of this with a lattice, and it's completely non-destructive. That means the original object is not getting modified until you apply it. And that's the coolest thing about a lattice is that it saves your original information.
Let me show you another reason why that's awesome. Let's add another monkey. This time, let's generate UVs. You can access that by hitting T making sure Generate is on. Let's go to Cycles. Let's go over here. Let's make a new material. Let's make a new image texture. We have to quickly make one, so let's open this up. We're going to click on New, Generated Type is Color Grid. Click okay, and we can click and drag this to close it, now.
Come over here and click on Untitled + View + Selected and now if I go to Material Mode, my monkey is UV'd. Okay, so now, let's go ahead and add a lattice. And, in fact, let me actually demonstrate why you don't want to do it in Edit Mode. Let me scale this guy up in Edit Mode. Here we go, let's add a lattice modifier. And remember, all I did was scale it in Edit Mode not in Object Mode. The moment I do that, bang! My monkey is affected, and I don't want that.
So that's why we always do it in Object Mode. So let's go ahead and add a new lattice, delete the old one. Scale it in Object Mode, add a couple of these. Go back to our monkey, go to lattice. There we go, nothing has happened, good. And now I can start to play with the lattice, and affect this monkey. And you'll see that something interesting is happening. Because lattices are non-destructive, it's not wrecking my UVs.
In fact, I can confirm that by opening this up. Go into Image Editor, hitting Tab, I can see that all my Uvs, even when I apply the lattice, all my UVs are still the same. And that's really, really important, because you can use this technique to, say, make a pillow flat, normal, and then texture that, when it's really easy to paint on it, and easy to UV it, and then use a lattice or anything else to affect its shape and place it exactly how you want to in the scene, and yet you have the original UV layout, in which you can paint and update to.
And that's the best part about the simple, yet powerful tool called a lattice. By bringing this into your workflow, it's going to make you an awesome modeler because now you can change the shape and not affect the Uvs or the original object. Until next time, this is David from Blender's Tips, Tricks, and Techniques.
Skill Level Intermediate
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