Wen-Ying Tsai Single Diffraction with Five Large Tuning Forks on Black Widow Plate *, 2009 stainless steel rods on aluminum plate on motor and base 102 x 25 x 20 in (259.08 x 63.5 x 50.8 cm) Wen-Ying Tsai Single Diffraction with Five Large Tuning Forks on Black Widow Plate *, 2009 stainless steel rods on aluminum plate on motor and base 102 x 25 x 20 in (259.08 x 63.5 x 50.8 cm)