Creates a new, empty UV set on the current object. You can then create the UVs in the set using one of the mapping/projection
            methods. This feature is also available for use from the  menu in the .
         
         
          
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                     Type a name for the new UV set in the text field.
                      
 
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                     You can choose to share this UV set (every instance has the UV set),  (all selected instances share the new UV set), or  (all selected instances get a unique UV set).