 
      
      
      Principal forms of the hexagonal system: hexagonal prism
     
          
      
      
         
      
      
      Principal forms of the hexagonal system: hexagonal prism
     
          
      
      
         
      
      
      An illustration of a hexagonal prism rolled out, or "stretched out" in the straight line AB.
     
          
      
      
         
      
      
      Various geometric solids, mostly rectangular prisms with a cylinder and a hexagonal prism.