You might like Left Right Tropicália, Penetrables PN 2 ‘Purity is a myth’ and PN 3 ‘Imagetical’ Hélio Oiticica 1966–7 Abakan Red Magdalena Abakanowicz 1969 Abakan Orange Magdalena Abakanowicz 1971 Backs Magdalena Abakanowicz 1976–80 a text happens Claus Bremer 1967 assembled, moved, re-arranged and scrapped continuously I – mesh Leonor Antunes 2013–6