[1][2][3] From 1959 he made monochromatic geometric reliefs using nails from a nail-gun to distort his canvases.

[5] Castellani was born on 4 August 1930 in Castelmassa in the province of Rovigo, in the Veneto.

He studied in Brussels, first sculpture and painting at the Académie Royale des Beaux-Arts, and then architecture at the École Nationale Supérieure des Arts Visuels de La Cambre.

[4] Castellani collaborated with artists such as Getulio Alviani, Piero Manzoni, and others.

He died on 1 December 2017 at his home, the Castello Orsini of Celleno, in the province of Viterbo in Lazio.