1. Set the center of the ellipse using the mouse or enter a coordinate in the command line.
2. Define the major axis by clicking the endpoint of the axis, which is a point on the ellipse. You can also enter a coordinate into the command line or enter an angle and major radius in the format @50<30 where 50 is the major radius and 30 is the ellipse angle.
3. Define the endpoint of the minor axis which is also a point on the ellipse.