1. In Engrave mode, add a Master Page Set and give it a name.
  2. Make your new Master Page Set the Current set and double-click the page pairs to edit them. Create new page pairs if necessary.
  3. Create you layouts in the Master Page Editor for each page pair.
  4. You can also choose to style the Flow Heading.
  5. Export your new Master Page Set, then import it into any other Dorico project.