**CYLIND**, * RAD1*,

`RAD2`

`Z1`

`Z2`

`THETA1`

`THETA2`

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,`RAD1`

`RAD2`

Inner and outer radii (either order) of the cylinder. A value of zero or blank for either

or`RAD1`

, or the same value for both`RAD2`

and`RAD1`

, defines a solid cylinder.`RAD2`

,`Z1`

`Z2`

Working plane Z coordinates of the cylinder. If either

or`Z1`

is zero, one of the faces of the cylinder will be coplanar with the working plane.`Z2`

,`THETA1`

`THETA2`

Starting and ending angles (either order) of the cylinder. Used for creating a cylindrical sector. The sector begins at the algebraically smaller angle, extends in a positive angular direction, and ends at the larger angle. The starting angle defaults to 0.0° and the ending angle defaults to 360.0°. See the

*Modeling and Meshing Guide*for an illustration.

Defines a cylindrical volume centered about the working plane origin.
The top and bottom faces are parallel to the working plane but neither face
need be coplanar with (i.e., "on") the working plane. The cylinder must have
a spatial volume greater than zero. (i.e., this volume primitive command cannot
be used to create a degenerate volume as a means of creating an area.) For
a solid cylinder of 360°, the top and bottom faces will be circular (each
area defined with four lines), and they will be connected with two areas (each
spanning 180°.) See the **CYL4** and **CYL5** commands
for alternate ways to create cylinders.