r="#ffffff" size="3"><b>&nbsp;
Returns
</b></font></td></tr>
</table>
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<p>
This command does not return a value.
</p>
</font>
<!-- Description -->
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<tr><td bgcolor="#0d4283"><font color="#ffffff" size="3"><b>&nbsp;
Description
</b></font></td></tr>
</table>
<font face="Verdana" size="2">
<p>
You must ensure that the CSG object used has not been internally rotated, scaled or translated and that it visually represents the pure geometry data stor