+ <feature id="ExtrusionSketch" title="ExtrusionSketch" tooltip="Create a solids by extrusion of a sketch" icon=":icons/extrusionsketch.png">
+ <source path="extrusionsketch_widget.xml"/>
+ </feature>
+ <feature id="ExtrusionCut" title="ExtrusionCut" tooltip="" icon=":icons/extrusion_cut.png">
+ <source path="extrusioncut_widget.xml"/>
+ </feature>
+ <feature id="ExtrusionFuse" title="ExtrusionFuse" tooltip="" icon=":icons/extrusion_fuse.png">
+ <source path="extrusionfuse_widget.xml"/>
+ </feature>
+ </group>
+ <group id="Revolution">
+ <feature id="Revolution" title="Revolution" tooltip="Create a solid by revolution of a face" icon=":icons/revol.png">
+ <source path="revolution_widget.xml"/>
+ </feature>
+ <feature id="RevolutionSketch" title="RevolutionSketch" tooltip="Create a solids by revolution of a sketch" icon=":icons/revolsketch.png">
+ <source path="revolutionsketch_widget.xml"/>
+ </feature>
+ <feature id="RevolutionCut" title="RevolutionCut" tooltip="" icon=":icons/revol_cut.png">
+ <source path="revolutioncut_widget.xml"/>
+ </feature>
+ <feature id="RevolutionFuse" title="RevolutionFuse" tooltip="" icon=":icons/revol_fuse.png">
+ <source path="revolutionfuse_widget.xml"/>
+ </feature>
+ </group>
+ <group id="Boolean">
+ <feature id="Boolean" title="Boolean" tooltip="Perform boolean operations with solids" icon=":icons/cut.png">