Lygia Clark

Lygia Clark (1920–1988) was a Brazilian artist whose geometric paintings and participatory objects challenged the separation between artwork and viewer. Her later work made bodily sensation and interaction central to artistic experience.

Bichos: A series of hinged aluminum sculptures that participants fold and reposition by hand. These articulated works turned Clark’s geometric forms into objects shaped through touch.
Relational Object: An object whose meaning and effects arise through a participant’s physical interaction with it. Clark used this idea for objects activated by handling and bodily contact.
Neoconcretism: A Brazilian art movement that emphasized lived experience and expressive engagement over strict geometric rationalism. Clark helped establish this movement’s turn toward embodied experience.
Hélio Oiticica: A Brazilian artist who developed participatory works, wearable Parangolés, and immersive environments. Oiticica shared Clark’s Neoconcrete roots while developing distinct forms of audience participation.
Audience Participation: The involvement of audiences in making, altering, or experiencing an artwork through action. Clark’s works made audience action a defining part of the artistic encounter.
Caminhando: A 1963 participatory work in which a paper Möbius strip is cut continuously with scissors. The work made the participant’s action, rather than a finished object, the artwork.
Participatory Art: Art practices that make audience participation part of the work. Clark’s work helped make participation a central artistic medium.
Concrete Art: An abstract art practice based on autonomous geometric forms rather than depicting external subjects. Clark began with geometric abstraction associated with concrete art.
Amílcar de Castro: A Brazilian sculptor and designer associated with Neoconcretism, known for folded steel sculptures. His sculpture shows another Neoconcrete path from geometric form toward material presence.
Art Therapy: The use of art-making within a therapeutic relationship to support psychological health and expression. Her late practice approached therapeutic experience but did not fit neatly within clinical art therapy.

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