WEBVTT

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So let's start off with the basic geometry of

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the coin, the coin that we're going to make.

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So we're going to make a cylinder here.

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And already I can kind of tell that the resolution or the vertices on the

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cylinder, they are not going to be enough, I

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think, when I kind of scale it to the right scale.

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So let's just double it, 64.

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And then we're 4 cm here.

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And yeah, let's raise it up.

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So I like the zero of the mesh to be right at the bottom.

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So it's kind of sitting on top of it.

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And 3 mm.

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That looks good.

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That looks good.

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Okay.

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This is great.

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So what I want to do now, that little resolution

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indicator, let's have him on the side here.

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Obviously, when you look at these two things, yeah, resolution

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is totally fine for something this blocky and simple.

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But what I want to do now, I want to make like a rim around the actual coin.

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And I want to kind of inset it and whatnot.

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And what I don't want to do right now is totally just eyeball it.

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So what I could do is do an extrude here, right

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click, and then scale it in to make that rim.

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What I want to... I want to be a little bit more

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specific about, you know, how much I want to do it.

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Maybe I want to do it like 2 mm, something like that.

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So one really cheap and easy method of just making it is... Oh, by the way, let's.

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You know what I'm going to do?

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I'm going to write this solution.

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That's the, you know, I'm going to be a bit nice and clean here about naming protocols.

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And then this cylinder here, this is the coin.

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Perfect.

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And that's in my main mesh.

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Okay, perfect.

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So a quick and dirty way of me just gauging, you know, oh, I want to make

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something that is X amount of millimeters whatnot.

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You could use like the measurement tool or whatnot, but a very quick and simple way

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is just to shift D to duplicate this and right click to have it be at the same place.

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And now I just move it down by how much I want.

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Okay.

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Yeah.

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1.7 looks good to me.

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And then I want the top part of my actual coin.

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I extrude, I right click and I scale it down

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and I just use now this as a visual guide.

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So now I know that roughly that was the thing.

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And then now I have it.

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I can select that other mesh that I made and just delete it.

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So it was just like a temporary mesh I made

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just to create, like move it a certain distance.

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And then I just used that as a visual guide.

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That's it.

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It was a quick method I usually do.

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And then let's extrude this down.

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I want a full millimeter for any detailing that I want to do here on the coin.

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So hypothetically, you could just be happy with this and print it out, right?

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But it's slightly boring.

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So let's do some groove cutting at the edge.

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I know a lot of coins usually have that kind of

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a thing, kind of cutting a little groove into it.

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So let's make a cube.

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Beautiful.

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And let's maybe move it up.

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Let's move it like two below and then go all the way up and then two above.

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Okay.

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Now I'm going to move it so it is...

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yeah, it's sitting right at the edge here.

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Right at the center of it.

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Right at the edge.

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Okay.

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And so I can use this to do like kind of a boolean thing to kind of cut a section off.

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You know what I'm going to do?

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I'm just going to talk very quickly, super quickly, about what the hell boolean

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is in the modifier, because it is super helpful

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and dandy to what we want to do right now.

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And so I'm just going to make a monkey and I'm going make a sphere here.

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And you see these two objects, they're kind of intersecting with each other.

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So the monkey, I can go add modifier boolean and it has three options.

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It has intersect, union and difference.

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And so it says union.

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Okay.

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Just remember, I use a lot of synonyms for this just because

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I continuously misremember the actual word for things.

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So I call this subtract instead of difference, whatever.

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But you get my point.

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So let's pick the sphere.

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And because it is difference, it has now kind of cut away from the monkey.

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You can't see it because the original mesh is still there.

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But if I choose the monkey and I just go into local view, which hides everything

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else, you'll see that the sphere is kind of cut out of the union, which now just

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makes both of them be a single object or behave like a single object together.

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You could do intersect, which just takes the intersection of

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these two things and makes one object out of it, one mesh.

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So we're not really going to use that right now, but

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we're going to use a lot of union and difference.

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It's going to be two very common ones.

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And the difference one is the one I'm going to

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be using in order to cut grooves into our coin.

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So I'm going to be using this as a little coin cutter, whatever.

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Groove.

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It's called this groove.

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Fantastic.

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Okay.

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And we're going to, because we're going to subtract

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it, we're going to put it in the sub collection.

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All right.

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So by how much is the question?

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Well, oh, okay.

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Here's another tip that I think is very helpful.

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So as I, I'm going to give this a little bit of an angle and whatnot.

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And you know what might be helpful if I only have to deal with these things on one

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side and not have to do it on both sides for this particular example, because it is

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going to be symmetrical, this groove that I'm going to cut.

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So I might just do control R and make an edge loop right

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in the middle and then kill everything on one side.

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So here's local view.

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So I'm kind of left something like this, which is inherently a problem.

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This is a non-manifold object, which means it's kind of the inner part is exposed.

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Manifold is like watertight.

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So this is not watertight.

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And what I want to do is give it a modifier.

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Mirror.

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This is a super common one you're going to be wanting to use.

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So now it's mirrored, which means whatever I move

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on this side, it's just mirrored on the other side.

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So I'm only having to deal with one side of the design choices and whatnot.

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Let's go out of local view.

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All right.

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Now let's decide on a few things.

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Okay, how far should we go here?

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Perhaps we should be cutting something like this.

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And then let's see, how much do we go maybe something like this, maybe.

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And let's take this a little bit closer.

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And I'm just making some extra edge loop there right at the edge.

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So that when we, yeah, let's push this in like 0.3, something like that.

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So maybe this would be a nice cut kind of with an angle that cuts into this.

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So you know what?

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Let's try it.

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Let's add a modifier to the coin itself.

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Bolin.

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Difference.

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Choose the groove.

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Bool.

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And go into local view with only the coin.

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And here we go.

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That's what it would look like.

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Okay, not too bad.

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You know what?

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Let's this to kind of run around.

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And there's multiple ways I can do it.

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I could like make like make a curve, like a curve

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circle, and then it kind of follows the curve.

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And but, you know, you could do it manually and whatnot.

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But there is this brand new thing that to you guys are going to feel like an old

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thing probably, which is there's a new version of the array

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modifier and it has something that I find really cool.

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So the array modifier basically kind of just

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duplicates the same thing in a straight line.

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But now it has the option of circle.

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Okay, let's just kill the Bolin, not kill it, but like have it not visible

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at the moment, just so the coin doesn't disappear out of glitching out.

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So this groove, it has an array modifier.

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Take this down.

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And you can have it be circle.

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So it actually is now making a little circle thing.

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It's asking for radius.

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I know this thing is 40 millimeters across, so that means the radius will be 20.

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Okay, that's fantastic.

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You see that it is like it's only three of them.

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It's trying to create a circle.

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You see here if I raise it up, it's a circle.

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But of course, now I'm not at the center of the coin itself.

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Let's fix that.

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All right.

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And then the question is how many?

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Okay, let's not overthink it.

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40.

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That's fine.

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That looks good.

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And let's test it out.

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So I'm going to choose the coin.

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I'm going to turn on the Bool again and go into local view.

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Yes.

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Love it.

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Fantastic.

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Okay.

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Out of local view.

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All right.

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So what I want to do now is the sub collection.

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I want to actually just hide it, not with the hide thing, but the exclusion.

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Yeah.

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Kill off the exclusion.

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Bool.

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Just so I don't have to have it constantly be in the way.

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So I actually kind of see the way it's meant to look.

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You know what would be really fancy right now?

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If our coin had some bevel to it here on the outer part.

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So we're going to make some So I can choose the outer ring here and control B

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and do a bevel and how, how, how, why is this bevel looking so bad?

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Why is it moving so little up and down, but it's beveling really far on the inside?

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Well, this is actually kind of intentional

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because I wanted you to experience this lesson.

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So this geometry that we worked with in which was like a very basic cylinder,

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we've scaled it in different directions.

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And here you can see we were working with just the dimensions, but here is the

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actual scale and the scale is kind of off the chart with one another.

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So it's very disfigured in scale, let's say.

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And when you do a bevel like that, it's calculating it based on the scale of it.

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So what you want to do is you want to actually apply the

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scale, you're kind of happy with the scale as it is right now.

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So you do control A, apply and scale.

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Boom.

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Now the scale is one, one, one.

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It's perfect.

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So if I go back into the edit mode, choose the outer ring here and I go

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control B and wouldn't you know it, that bevel looks much, much better.

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All right, let's go and point three.

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Yeah, yeah, that's fine.

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And you know, let's, let's do it at the bottom also.

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Control B, point three, enter.

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Perfect.

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Okay.

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Oh, look at that with the grooves.

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That looks great.