Edit or move a chamfer
You can select a chamfer and directly edit a chamfer to change the chamfer value or you can indirectly edit the chamfer to move a face that adjoins a chamfer.
Edit a chamfer
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Select a chamfer.

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Click the chamfer edit handle.

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Type a new value for the chamfer and click.

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Click to complete the edit.

 
Move a face adjoining a chamfer
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Select an adjoining face of a chamfer.

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Click the move handle.

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Move the cursor until the face is positioned approximately where you want it, and then click.

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Click to complete the move.
 
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