Press on the right button of your mouse and sketch a specific path to form a gesture for creating shape. Shape can then be created in specific size, following the size of sketched path.
Layout diagram
Layout a messy diagram by forming an "L" gesture.
Synchronization between sequence and communication diagram
You can generate/synchronize a communication diagram from a sequence diagram (or the other way) by making use of a simlpe horizontal gesture.
Synchronization between ERD and class diagram
You can produce a class model from data model by synchronizing class diagram from entity relationship diagram, through a simple horizontal gesture..
