<folder name="Constructions" group_type="Construction" icon=":pictures/constr_folder.png"/>
<folder name="Bodies" group_type="Bodies" icon=":pictures/constr_folder.png"/>
<folder name="Groups" group_type="Groups" icon=":pictures/constr_folder.png" show_empty="false"/>
<folder name="Constructions" group_type="Construction" icon=":pictures/constr_folder.png"/>
<folder name="Bodies" group_type="Bodies" icon=":pictures/constr_folder.png"/>
<folder name="Groups" group_type="Groups" icon=":pictures/constr_folder.png" show_empty="false"/>