The expand canvas tool you can use to add or remove space in our process model.
Sometimes you would like to add additional symbols somewhere in the middle of the process, then use the expand tool to move all symbols to the right or down from selected area.
The tool can also be used to remove space if you would like to narrow the space between your symbols in the process.
How to add space in our process model
1. Select the expand tool in the upper menu (or by pressing Ctrl/Cmd + E).
2. Click and drag right or down to insert more space into the model (drag left or up to remove space).