Trim DivideKeyCreator \ Modify \ Trim \ Trim-Divide
The Trim Divide function can be used to trim or extend any curve into two separate entities by removing a selected portion of the entity. The entity to trim, or divide, extends to the selected intersections and the portion of the entity you select is removed.
At least one of the trimming entities you select must intersect with the entity that you intend to divide.
Using the Function: