Creating Shut-off Surfaces To create shut-off surfaces: Click Shut-off Surfaces (Mold Tools toolbar) or Insert > Molds > Shut-off Surfaces. In the Shut-off Surface PropertyManager, set options, then click . Parent topicMold Tools - Shut-off Surfaces Related concepts Shut-off Surface Fill Types Related tasks Manually Creating Shut-off Surfaces Related reference Shut-off Surface PropertyManager