Numbering Balloons Sequentially To number balloons sequentially, first insert the bill of materials. In the drawing view, click one of the following: Auto Balloon (Annotation toolbar) or Insert > Annotations > Auto Balloon Balloon (Annotation toolbar) or Insert > Annotations > Balloon Stacked Balloon (Annotation toolbar) or Insert > Annotations > Stacked Balloon In the PropertyManager, under Item Numbers, select Order sequentially . Click . In this example, the balloons are reordered so that the top left balloon starts with 1 and continues sequentially, in a clockwise direction, through 9. The bill of materials updates to match the reordered sequence. Parent topicOrdering Balloons Setting First Balloon