2013

Y (Axis) Sets the positive Y axis of the current UCS as the positive axis
direction.
Z (Axis) Sets the positive Z axis of the current UCS as the positive axis
direction.
Reverse Changes the direction of the revolve; similar to entering a - (minus)
angle value. The revolved object on the right shows a spline revolved at the
same angle as the object on the left, but using the reverse option.
Expression Enter a formula or equation to specify the revolve angle. See
Constrain a Design with Formulas and Equations.
See also:
Create a Solid or Surface by Revolving
916 | Chapter 2 Commands