You might like Left Right Tropicália, Penetrables PN 2 ‘Purity is a myth’ and PN 3 ‘Imagetical’ Hélio Oiticica 1966–7 Metaesquema Hélio Oiticica 1958 Metaesquema Hélio Oiticica 1958 Metaesquema Hélio Oiticica 1958 B11 Box Bólide 09 Hélio Oiticica 1964 Eureka/Blindhotland Cildo Meireles 1970–5 Bilateral ‘Teman’ BIL 003 Hélio Oiticica 1959 Spatial Relief (red) REL 036 Hélio Oiticica 1959 Planes on Modulated Surface (Study) (56) Lygia Clark 1957 Planes on Modulated Surface (Study) (61) Lygia Clark 1957 Native Brazil/Alien Brazil Anna Bella Geiger 1977 Our Daily Bread Anna Bella Geiger 1978