The user can create the guide body as follows.
•Point, Point
•Point: Selects a point to define a start point of the guide body.
•Point: Selects a point to define a second point of the guide body.
•Point, Point, Radius
•Point: Selects a point to define a start point of the guide body.
•Point: Selects a point to define a second point of the guide body.
•Radius: Defines a radius of the guide body.