Use this dialog box to customize the list of chamfer sizes that you can select from the Chamfer dialog box.
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               Chamfer Sizes Displays a list of chamfer sizes that are available for selection. | 
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               Add Inserts a blank entry to the Chamfer sizes list and enables you to specify a value.  | 
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               Edit Enables you to modify the chamfer size of the selected entry.  | 
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               Delete Deletes the selected entry.  | 
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               Move up Moves the selected entry one position up.  | 
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               Move down Moves the selected entry one position down.  | 
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               Restore Defaults Resets the chamfer list to its default settings. Customizations made to this list are lost.  |