MESH allows you to generate a polygon mesh that 
approximates a two-curve, three-curve, four-curve swept
surface, a tabulated cylinder, a ruled surface, a surface
of revolution, or a sphere. It is also possible to change
the direction (normals) of a grouped polygon's mesh.


Create the mesh by choosing from the following options:


2 CURVE - to create a polygon mesh that is defined by a
selected generator curve and director curve. The mesh
approximates a swept surface that is formed by moving
(sweeping) the generator curve along the director curve.

3 CURVE - to create a polygon mesh that is defined by 
either two generator curves and a director curve, or by 
one generator curve and two director curves. The mesh
approximates the blending of the two, two-curve surfaces.

4 CURVE - to create a polygon mesh that is defined by two
generator curves and two director curves. The mesh
approximates the blending of the four, two-curve surfaces.

TAB CYL - to create a polygon mesh that approximates the
surface that is defined by sweeping a generator curve
along an axis vector (the director) of a specified length.

REVOLUT - to create a polygon mesh that approximates the
surface that is formed by rotating a generator curve about
an axis by a specified angular distance.

SPHERE - to create a polygon mesh that approximates a
sphere.
You can create a sphere in one of the following ways:

- by specifying the center and radius of the sphere, as
well as the number of the latitude and longitude lines.

- by specifying the center and diameter of the sphere, as
well as the number of latitude and longitude lines.

RULED - to create a polygon mesh that approximates the
surface that is formed by simultaneously moving a polygon
(generator) along two director curves.

REVERSE - changes the normals of a grouped polygon mesh.
This capability is particularly useful when shading is 
used.
