If you edged around an area with posts or rails, you’ll notice that the edging members connect on center at the corners. You may want to lengthen the members to form completely flush intersections.
To clean up the corners of edging:
Click on one of the edging members. Blue grab handles are displayed at the ends of the member.
Hover your pointer over the end
grab handle to display the Lengthen cursor.
Click and drag the edging so that it meets up with the outside of the member it is connected to, then release your mouse button. Example
Select the other member.
Click and drag the end so that it meets up with the inside edge of the connecting member, then release your mouse button. Example
