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Activity 18 is called Sketching Complex Objects.

And the complex object I've chosen to represent is this child's toy.

It's not so complicated that it makes it very difficult to draw,

but it does give me a chance to represent

much of the things we've looked at,

the crating, the ovals, the use of outlining and perspective.

So, where do you start with an object like this?

Well, we need to decide what sort of view we're going to produce, first of all.

And, if you remember back to some of the previous activities,

it was up to us what sort of box we started with.

There's the Y shape I started with.

But I could represent it in a very different way.

I could represent it like this.

I saw much more of that top surface.

The way I draw it is entirely up to me,

as the graphic designer of this particular image.

So, having thought about it,

I've decided that I particular want to be able to see the top, and the side,

I like the wheels very much,

but I want to be able to see this front surface, as well.

So, I need to produce a crate which envelopes the entire object.

Now, it might be that I chose to spend some time measuring this object,

to get it exactly understood.

And just, for the purpose of this sketch activity,

I'm just going to go straight in and produce a shape like that,

which more or less envelopes the whole of the object.

Clearly there's wasted space up here, but let's see how that unfolds.

I know that the object has a thinner front than the back,

so I need to begin to put in some of this shape over here.

And I'm beginning to construct now the front nose of the tractor.

And I'm using my crate guidelines to help me construct

the basic shapes that appear in this tractor form.

The roof is going to come over something like that.

It's going to come about there.

And the wheel is going to be about there. Let's put in one of the wheels.

Now, remember the principle of drawing these ovals was to find the axis.

And I'll put that in as a construction line there.

And, at 90 degrees to it, I put in a line,

which will be the major axis.

And I'm going to use that to help me construct a line like that.

That's a representation using an oval that represents the circle of the wheel.

And I'll do the same for the front wheel, let's see how that would look.

I have a look at this, I can see it's just beneath the underside there.

It seems to go through a little sort of plastic housing there.

I draw in the axle. I draw a line 90 degrees to it.

And I allow that to become the guidelines of my ellipse, my oval.

So, I can now project those lines out and draw another oval,

because I want the wheel to have some thickness.

And the same for the front wheel.

Join that up to there. Let's put some of those lines in.

So, you can see what it is.

And we can begin to continue with this now.

It looks like my original crate was a little bit ambitious at the back there.

It's not a problem, because I'm just going to foreshorten that a little bit.

And obviously I've got my funnel coming out of here.

And how are we doing for that?

Right, we need to put in some back wheels –

sorry, some wheels at the rear of that.

I can't quite see the other one.

And those little headlight things on here.

I'm not going to put too much detail into this sketch.

This, after all, is a first sketch,

that I can now use as an underlay, using that overlay technique.

So, now we've got a sketch of our child's toy, which is a plausible starting point.

But it's used many of the techniques

And the complex object I've chosen to represent is this child's toy.

It's not so complicated that it makes it very difficult to draw,

but it does give me a chance to represent

much of the things we've looked at,

the crating, the ovals, the use of outlining and perspective.

So, where do you start with an object like this?

Well, we need to decide what sort of view we're going to produce, first of all.

And, if you remember back to some of the previous activities,

it was up to us what sort of box we started with.

There's the Y shape I started with.

But I could represent it in a very different way.

I could represent it like this.

I saw much more of that top surface.

The way I draw it is entirely up to me,

as the graphic designer of this particular image.

So, having thought about it,

I've decided that I particular want to be able to see the top, and the side,

I like the wheels very much,

but I want to be able to see this front surface, as well.

So, I need to produce a crate which envelopes the entire object.

Now, it might be that I chose to spend some time measuring this object,

to get it exactly understood.

And just, for the purpose of this sketch activity,

I'm just going to go straight in and produce a shape like that,

which more or less envelopes the whole of the object.

Clearly there's wasted space up here, but let's see how that unfolds.

I know that the object has a thinner front than the back,

so I need to begin to put in some of this shape over here.

And I'm beginning to construct now the front nose of the tractor.

And I'm using my crate guidelines to help me construct

the basic shapes that appear in this tractor form.

The roof is going to come over something like that.

It's going to come about there.

And the wheel is going to be about there. Let's put in one of the wheels.

Now, remember the principle of drawing these ovals was to find the axis.

And I'll put that in as a construction line there.

And, at 90 degrees to it, I put in a line,

which will be the major axis.

And I'm going to use that to help me construct a line like that.

That's a representation using an oval that represents the circle of the wheel.

And I'll do the same for the front wheel, let's see how that would look.

I have a look at this, I can see it's just beneath the underside there.

It seems to go through a little sort of plastic housing there.

I draw in the axle. I draw a line 90 degrees to it.

And I allow that to become the guidelines of my ellipse, my oval.

So, I can now project those lines out and draw another oval,

because I want the wheel to have some thickness.

And the same for the front wheel.

Join that up to there. Let's put some of those lines in.

So, you can see what it is.

And we can begin to continue with this now.

It looks like my original crate was a little bit ambitious at the back there.

It's not a problem, because I'm just going to foreshorten that a little bit.

And obviously I've got my funnel coming out of here.

And how are we doing for that?

Right, we need to put in some back wheels –

sorry, some wheels at the rear of that.

I can't quite see the other one.

And those little headlight things on here.

I'm not going to put too much detail into this sketch.

This, after all, is a first sketch,

that I can now use as an underlay, using that overlay technique.

So, now we've got a sketch of our child's toy, which is a plausible starting point.

But it's used many of the techniques

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