OpenTunnel Designer Help OpenTunnel Designer Workflows Drawing Workflow Annotate Detailing Placing Detailing SymbolsModifying Properties of a CalloutTo Merge the Step Handles of a Section or Plan Callout To Merge the Step Handles of a Section or Plan Callout Select a section or plan callout that has stepped sections. The callout is selected with a step handle on each step. Click the step handle of the step that is to be merged. Optional: Press O to move the origin of AccuSnap. Drag the step handle to merge it into another step.