Chamfer corners
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Fillet menu > Chamfer, CHAMFER
Chamfer the corner of two lines or the corners of a polyline.
Do the following:
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If you want to change the size of the chamfer, do the following:
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On the command line, enter Distance.
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Enter the distance of the start point of the chamfer on the first line.
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Enter the distance of the start point of the chamfer on the second line.
 
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If you want to change the trimming of the chamfer, do the following:
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Enter Trim.
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If you want to connect the chamfer to the lines, enter Yes.
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If you want to keep the original corner visible, enter No.
 
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If you want to chamfer all the corners of a polyline, do the following:
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Enter Polyline.
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Select the polyline whose corners you want to chamfer.
 
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If you want to chamfer the corners between two lines, do the following:
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Select the first line that you want to chamfer. If the lines cross each other, select the object on the side that you want to keep.
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Select the other line. If the lines cross each other, select the object on the side that you want to keep.
 
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The program extends the lines if necessary and connects them with a chamfer according to your definitions.
Remove a chamfer
Do the following:
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Select Edit > Erase.
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Select the chamfer line that you want to remove that connects the objects.
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If you want to, you can extend the lines by stretching them or selecting Edit > Join > Join corner and selecting the objects.
 
If you want to remove one or more chamfers from a polyline, enter 0 as the distances and chamfer the corners of the polyline again according to the instructions above.