To Create Chamfers
1. On the Design tab, click 
Chamfer.
Chamfer.2. Select the first line.
3. Select the second line, nonparallel line to the first line. The lines are trimmed and connected by a chamfer and the dimension scheme box appears in the mini toolbar. Construction lines with dimensions extend from the selected points.
4. To select another dimension scheme, click one of the dimension schemes in the mini toolbar:
◦ To define an isosceles chamfer by distance, click 
and edit the value.
and edit the value.◦ To define a chamfer by an angle and a distance, click 
or 
and edit the values.
or and edit the values.5. Middle-click to exit the tool.