Diagram Preferences

From the menubar, select Window > Preferences > Modeling > Diagram to change the preferences that determine how Together displays your diagrams:

Grid

Option/Button Description Default
Font    
Diagram font Lists the current diagram font and size settings. MS Sans Serif-regular-8
Click Change to display the system font dialog.  
Grid options    
Show grid If checked, displays a background grid in the Diagram view. Off
Grid width (px) Determines the width, in pixels, between grid points in a row. 10
Snap to grid If checked, diagram elements, when dragged, will lock in place at the nearest grid point. Off
Grid height (px) Determines the width, in pixels, between grid points in a column. 10
Layout Options    
Maximum width of class element Establishes the width limit, in pixels, of diagram elements. 200
Diagram tab positions NB: Changes are applied for this option after restarting your IDE.  
Top The Diagram view tabs are oriented at the top of the Diagram view. On
Bottom

The Diagram view tabs are located at the bottom of the Diagram view.

Off

NB: Unless otherwise noted, these selections become active on the current diagram when you click Apply.