1, select the chamfering tool in the toolbar, or enter a command. The shortcut key for cad chamfering is "cha".

2. Select the chamfering tool and enter "D" (set the chamfering distance), then press Enter to confirm.

3.3. Enter the first chamfer distance, and then press Enter to confirm.

4.4. Enter the second chamfer distance, and then press Enter to confirm.

5,5, and then click the first chamfer distance and the second chamfer distance in the drawing.

6, 6. At this time, the cad chamfer has been drawn.