Select this menu option to align the centres of the selected vectors with the centre of the model area.
Note: The Centre in Model 
button on the Vector Editing toolbar is a shortcut for this menu option and the keyboard shortcut is F9. The availability of this button and toolbar is license dependent.
button on the Vector Editing toolbar is a shortcut for this menu option and the keyboard shortcut is F9. The availability of this button and toolbar is license dependent.