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            This is a file from the  Wikimedia Commons. Information from its  description page there is shown below.  Commons is a freely licensed media file repository.  You can help. 
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        Summary 
        
         
          
           | Description | 
           
             English: Bitruncated tetrahedron as  en:Truncated tetrahedron produced with KaleidoTile, Topology and Geometry Software 
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           | Date | 
           20 September 2006 | 
          
          
           | Source | 
           en.wikipedia.org | 
          
          
           | Author | 
           Jeff Weeks | 
          
          
           Permission ( Reusing this file) | 
           
            
             
              | Public domainPublic domainfalsefalse | 
              
             
            
             
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              This image of  simple geometry is ineligible for  copyright and therefore in the  public domain, because it consists entirely of information that is common property and contains no original authorship. 
               
                
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       File usage
       
        The following pages on Schools Wikipedia link to this image (list may be incomplete):
        
        
       
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