Continues to produce the Nuclei, which he classifies as Small, Medium and Large.
Writings: December 1 – “A Transição da Cor para o Espaço e o Sentido da Construtividade” [The Transition of Color from Painting to Space and the Meaning of Construction”]. Habitat 70 [Rio de Janeiro]: 49-54; April 4 – “Testemunho” [“Testimonial”], doc. nº 002; AHO / PHO.