+ tooltip="Select an object solid"
+ type_choice="Solids"
+ concealment="true"
+ />
+ <multi_selector id="tool_objects"
+ label="Tool object"
+ icon=":icons/cut_tool.png"
+ tooltip="Select a tool solid"
+ type_choice="Solids"
+ concealment="true" >
+ <validator id="PartSet_DifferentObjects"/>
+ </multi_selector>-->
+ <shape_selector id="main_object"
+ label="Main object"
+ icon=":icons/cut_shape.png"
+ tooltip="Select an object solid"
+ shape_types="solid"