Read here about tensegrity structures composed of sixty struts, part of a series of pages organized by strut count.
60 Strut Tensegrity Sphere
Commissioned by a Dayton, Ohio, bank, Fuller created the 500-pound, 9-foot-diameter sculpture in 1979. From the bank it traveled to the Dayton Art Museum, where it remained until workers renovating the museum disassembled the sculpture and stowed it in the basement.
Links and References
http://www.engr.wisc.edu/news/headlines/2002/Aug12.html%7CBuckminster Fuller sculpture installed in new Engineering Centers Building