Click and drag the edge in the direction of the Pull arrows.Pulling
the arrow that is normal to the chamfer face changes the offset distance for
the whole chamfer. Pulling either of the side arrows changes the setback
distance of that side. You can press Tab to move among the arrows.
To
dimension the chamfer, right-click and enter a setback distance in the
mini-toolbar, or press the space bar, type the setback distance, and press
Enter.
To create a chamfer with the same setback distance
and size as an existing chamfer, use the Up to tool guide and select
an existing chamfer face. You can also select an edge with Up To to
set the setback distance.