<O T="Line">
<O T="Point" Z="0" />
<O T="Point" Z="height" />
<O T="Section">
<O T="Shape">
<O T="Point" X="-width/2" Y="length/2" />
<O T="Point" X="width/2" Y="length/2" />
<O T="Point" X="width/2" Y="-length/2" />
<O T="Point" X="-width/2" Y="-length/2" />
</O>
<O T="Shape">
</O>
<P N="IsCutout" V="1" />
<O T="Point" X="-width/2 + thickness" Y="length/2 - thickness" />
<O T="Point" X="width/2 - thickness" Y="length/2 - thickness" />
<O T="Point" X="width/2 - thickness" Y="-length/2 + thickness" />
<O T="Point" X="-width/2 + thickness" Y="-length/2 + thickness" />
</O>
</O>
Figure 1.2.3.1: Hollow Structural Steel.