Interlocking - Peanut

Peanut (Stewart Coffin)
Larger Photograph (19.3K)

 
Peanut (Mark McCallum)
Larger Photograph (94.4K)

 
Peanut - Partially Assembled (Mark McCallum)
Larger Photograph (82.6K)

 
Peanut (Bart Buie)
Larger Photograph (70.7K)

 
Peanut - Partially Assembled (Bart Buie)
Larger Photograph (73.7K)

 
Peanut (Bart Buie)
Larger Photograph (117.4K)
Designer:Stewart Coffin
Craftsman:Stewart Coffin (1st)
Mark McCallum (2nd & 3rd)
Bart Buie (4th, 5th & 6th)
Category:Interlocking
Material:Unknown (1st)
Australian Lacewood (2nd & 3rd)
Cherry (4th & 5th)
Zebrawood (6th)
Pieces:6

The Peanut puzzle is made from thirty-six octahedral blocks glued into six dissimilar pieces. The six pieces can be joined into a closed loop making several different shapes. Stewart made 30 from 1986 to 1989. Number 67 in his numbering system.
 
More information in The Puzzling World of Polyhedral Dissections