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- All right, so here we are looking at

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the final version of the artwork.

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And I want you to see how
the smoke ends in a spiral.

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That spiral is a little tricky to create,

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which is why we're going to
establish another custom guide,

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this time using the Polar Grid Tool.

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So I'll go ahead and switch to

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my good old document in progress here.

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And I'll select the Polar Grid Tool,

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either from the end of
this floating toolbar,

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or you can click and hold on

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what is now the Rectangular Grid Tool.

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And select the Polar Grid Tool from

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the bottom of the fly out menu.

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And notice what it does,

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if I go ahead and drag with the tool,

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you can see that it creates a
series of concentric circles

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with these lines emanating
out from the center.

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So it's a kind of sonar
pattern, if you will.

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Now notice, I'll go ahead
and get rid of that guy,

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I can make something
that's short and squat,

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or something that's tall and skinny.

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If I press the shift key,
I'm going to constrain

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all the shapes to perfect circles.

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If I press and hold the alt key,

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or the option key on the Mac,

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then I'm going to go
ahead and draw the shape

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from the center outward.

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So the same stuff we've seen before.

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What's most interesting about this tool

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is what you can do with
the up and down arrow keys.

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So if I press the up arrow key,

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I'm going to add concentric circles.

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If I press the down arrow key,

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I'm going to get rid of them.

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If I press the right arrow key,

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I'll add these emanating lines.

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And if I press the left arrow key,

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I will reduce their number.

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All right, so once again,

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you may find yourself
drawing with this tool,

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but it's more commonly used
to create custom guides.

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So I'll go ahead and undo
the creation of that shape.

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I'll turn on the Guides Layer so that

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we can see what's going on.

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And again, you just do that, by the way,

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by clicking in this
empty column right there

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to bring back the eyeball.

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And then click on the Guides
Layer to make it active.

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All right, now let's scroll over

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a little bit by spacebar dragging.

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And I'll ctrl + spacebar click,

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or cmd + spacebar click on the Mac,

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in order to zoom in.

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And I'm going to drag from

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the upper left corner of the art board,

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down into the right, until I snap to

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that horizontal guideline like so.

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All right, now we don't need
any of these emanating lines,

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so I'm going to press the left arrow key

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until they completely go away, like so.

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And now, I want a series
of five concentric circles.

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It looks like I have a total of six.

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So I'm going to press the down arrow key

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in order to create that effect there.

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And just to confirm, I've got one, two,

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three, four, five of
these concentric circles.

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And now I could release,

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again if you're having problems with this,

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just go ahead and release after

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you snap to that guide, like so.

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And then get rid of those paths,

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by pressing the Backspace key,

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or the Delete key on the Mac.

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And then just click in
the upper left corner

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of your document to bring up

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the Polar Grid Options dialogue box.

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Make sure that we're creating the shape

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from the top left corner.

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You want your Concentric
Dividers to be set to 4,

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and your Radial Dividers to be set to 0.

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And we want the Width value
to match the Height value.

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So notice that the Height
value is 336 points.

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And we know that's right because

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we snapped into alignment
with the horizontal guide.

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But I didn't have you press the Shift key,

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so as a result, the Width value is off.

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Let's just go ahead and
match the Height value

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by entering 336 points.

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And then just click OK to
create those concentric circles.

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And now what we want to do
is convert them to guidelines

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by going up to the View menu,

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choosing Guides, and choosing Make Guides.

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And you'll end up with this effect here,

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at which point you can go ahead and press

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ctrl + 0, or cmd + 0 on the Mac,

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to center your zoom.

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And now we have these custom guides

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that will help us draw an exacting spiral

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in the very next movie.