2011

After you select the base surface and the chamfer distances, select the edges
of the base surface to chamfer. You can select edges individually or all the
edges at once.
Edge Selects an individual edge to chamfer.
Loop Switches to Edge Loop mode.
Edge Loop Selects all edges on the base surface.
Undo
Reverses the previous action in the command.
Polyline
Chamfers an entire 2D polyline.
The intersecting polyline segments are chamfered at each vertex of the polyline.
Chamfers become new segments of the polyline.
CHAMFER | 315