Spoke, 1969, 60 1/2 x 136 inches,  (shaped), Moulded Polyester Resin and Fiberglass, 
        Dodecagon Series, (PTG 0077)
        Collection: The Anderson Collection at Stanford University, CA
        
        
        Included in the one-man exhibition: 
          Dodecagonals, 1968 
Kasmin Gallery, 
          London
November 1, 1968