<source path="cone_widget.xml"/>
</feature>
</group>
+ <group id="Primitives">
+ <feature id="Tube" title="Tube" tooltip="Create a Tube" icon="icons/Primitives/tube.png"
+ helpfile="tubeFeature.html">
+ <source path="tube_widget.xml"/>
+ </feature>
+ </group>
</workbench>
</plugin>