To ensure the lesson works as described, do these steps before beginning: 
         
         
            - If you have not already done so, download the lesson files from http://www.autodesk.com/maya-tutorials. Copy the Getting Started 2012 Lesson Files zip file to your local drive and unzip the folder. 
            
 
            - Select  and set the GettingStartedMaya2012LessonData\PolygonModeling directory as your Maya project. For more information, see Downloading the lesson files and setting the Maya project. 
            
 
            - Select. 
            
 
            - Make sure  (below the menu bar) is on: 
. (If it is turned off, the icon has a large X across it). 
             
            -  Select the  menu set. 
               
Unless otherwise noted, the directions in this chapter for making menu selections assume you’ve already selected the  menu set. 
               
 
             
            - Make sure  is turned on. 
               
You will use the  while modeling. 
               
 
             
            - As you work through these lessons, remember to save your work frequently and increment the name of the file every so often
               (filename1, filename2, and so on). 
               
In this way you’ll have earlier versions of your work to return to if you need them. 
               
 
             
            - Make sure that  is turned off by opening the  with the  active and disabling .