The Graphite Modeling Tools set, found on the ribbon, gives you everything you need for editing polygon objects. Its interface provides tools specific to the modeling task, and reduces onscreen clutter by showing only necessary settings.
The ribbon contains all standard Edit/Editable Poly tools as well as additional tools for creating, selecting, and editing geometry. Also, you can customize the ribbon however you like. For details, see the following links.
Tip: If the ribbon does not appear in the program interface, choose Customize menu 
Show UI Show Ribbon or, on the Main Toolbar, click 
(Toggle Ribbon).
Show UI Show Ribbon or, on the Main Toolbar, click (Toggle Ribbon). 