aBooleanFt.selectionList("main_objects").append(extrudedObjects[0], extrudedObjects[0].shape())
aBooleanFt.selectionList("tool_objects").append(extrudedObjects[1], extrudedObjects[1].shape())
aBooleanFt.selectionList("main_objects").append(extrudedObjects[0], extrudedObjects[0].shape())
aBooleanFt.selectionList("tool_objects").append(extrudedObjects[1], extrudedObjects[1].shape())