/// <summary>
        /// Play with the NonlinearRandom tester to come up with values
        /// </summary>
        public RandomBellArgs(double leftArmLength, double leftArmAngle, double rightArmLength, double rightArmAngle)
        {
            List<Point3D> controlPoints = new List<Point3D>();

            // Arm1
            if (!leftArmLength.IsNearZero())
            {
                Vector arm1 = new Vector(1, 1).ToUnit() * leftArmLength;

                controlPoints.Add(arm1.ToVector3D().GetRotatedVector(new Vector3D(0, 0, -1), leftArmAngle).ToPoint());
            }

            // Arm2
            if (!rightArmLength.IsNearZero())
            {
                Vector arm2 = new Vector(-1, -1).ToUnit() * rightArmLength;

                Vector3D arm2Rotated = arm2.
                    ToVector3D().
                    GetRotatedVector(new Vector3D(0, 0, -1), rightArmAngle);

                controlPoints.Add(new Point3D(1 + arm2Rotated.X, 1 + arm2Rotated.Y, 0));
            }

            // Bezier
            this.Bezier = new BezierSegment3D(0, 1, controlPoints.ToArray(), new[] { new Point3D(0, 0, 0), new Point3D(1, 1, 0) });
        }