+ <feature id="RevolutionCut" title="RevolutionCut" tooltip="" icon="icons/Features/revol_cut.png">
+ <source path="revolutioncut_widget.xml"/>
+ </feature>
+ <feature id="RevolutionFuse" title="RevolutionFuse" tooltip="" icon="icons/Features/revol_fuse.png">
+ <source path="revolutionfuse_widget.xml"/>
+ </feature>
+ </group>
+ <group id="Pipe">
+ <feature id="Pipe" title="Pipe" tooltip="Generates extrusion along a path" icon="icons/Features/pipe.png">
+ <source path="pipe_widget.xml"/>
+ </feature>
+ </group>
+ <group id="Boolean">
+ <feature id="Boolean" title="Boolean" tooltip="Perform boolean operations with solids" icon="icons/Features/cut.png"
+ auto_preview="false">