Add arrowheads to lines and curves
Arrowheads let you enhance the starting points and endpoints of lines and curves. You can specify the attributes of an arrowhead with precision. For example, you can define the exact size of an arrowhead as well as offset or rotate the arrowhead by a precise amount. You can also flip arrowheads vertically and horizontally. You can save your specified attributes as arrowhead presets for later use.
Arrowhead in its original form (1), resized (2), with offset of 6 0% along the x-axis (3), flipped horizontally (4), and rotated at 90 degrees (5).
You can edit existing arrowhead presets, and you can create an arrowhead preset based on an existing one. You can also create an arrowhead preset based on an object such as a curve or a closed shape. When you no longer need an arrowhead preset, you can delete it.
To add an arrowhead
1
Select a line or curve.
2
Open the
Start arrowhead picker on the property bar, and click a line-ending shape.
3
Open the
End arrowhead picker, and click a line-ending shape.

You can remove an arrowhead by choosing the No arrowhead preset from the Start arrowhead or End arrowhead picker.
You can also add arrowheads from the Outline pen dialog box or the Outline section of the Properties docker.
To specify the arrowhead attributes of a line or curve
1
Using the
Pick tool

, select a line or curve that has an arrowhead.
2
Click
Window
Dockers
Properties.
3
In the
Outline section, click the
Arrowhead settings button

next to the
Start arrowhead picker or the
End arrowhead picker, and click
Attributes.
If the
Outline section is not displayed, click
Outline. If the
Arrowhead settings button is not displayed, click the arrow at the bottom of the
Outline section.
If you want starting and ending arrowheads to have the same size, offset, rotation angle, and orientation, enable the
Share attributes check box.
4
In the
Arrowhead attributes dialog box, perform any of the tasks in the following table.
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Specify the size of an arrowhead
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In the Size area, type a value in the Length or Width box.
If you want to create a nonproportional arrowhead, disable the Proportional check box.
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In the Offset area, type values in the X and Y boxes.
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In the Mirror area, enable the Horizontally or Vertically check box.
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Specify an angle in the Rotation box.
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Save custom arrowhead attributes as an arrowhead preset
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Enable the Save as arrowhead preset check box.
You can access the new arrowhead preset from the Start arrowhead and End arrowhead pickers on the property bar.
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You can switch arrowheads from one end of a line or curve to another by clicking the Arrowhead settings button, and clicking Swap.
You can remove an arrowhead from a line or curve by clicking the Arrowhead settings button and clicking None.
To edit an arrowhead preset
1
Using the
Pick tool

, select an object that has an arrowhead.
2
Click
Window
Dockers
Properties.
3
In the
Outline section, click the
Arrowhead settings button next to the
Start arrowhead picker or the
End arrowhead picker, and click
Edit.
If the
Outline section is not displayed, click
Outline. If the
Start arrowhead picker is not displayed, click the arrow at the bottom of the
Outline section.
4
In the
Arrowhead attributes dialog box, specify the attributes you want.

You can create an arrowhead preset that is based on an existing preset. Click Arrowhead settings button, and click New. Then, specify the attributes you want in the Arrowhead attributes dialog box, and type a preset name in the Save arrowhead area.
To delete an arrowhead preset, select the preset from the Start or End arrowhead picker, click the Arrowhead settings button, and click Delete.
To create an arrowhead preset from an object
1
Select an object to use as an arrowhead.
2
Click
Object
Create
Arrowhead.
3
In the
Create arrowhead dialog box, type a value in the
Length box or
Width box.
If you want to create a nonproportional arrowhead, disable the
Proportional check box, and type values in both the
Length and
Width boxes.