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            It displays three planes (X-Y, Y-Z, Z-X) in the expansion. 
            
  
    
      |  TOOL | 
       KEY | 
     
    
         | 
       CTRL+T | 
     
    
      |  Mouse | 
     
    
        Wheel↓ 
       | 
     
  
 
  
    
        Operation Image 
                  *「ZOOM OUT] Command→Three planes expand                        
                  *mouse's wheel is turned below→ Three planes expand  
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Even if it starts this command, the command which was starting before it
            is continued. 
             
             
             
             
             
             
             
             
             
             
             
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