Kosko, Sculpture for the Center of a Space, 1993; pigmented cement, 4 parts, 18 x 33 ½ x 33 ½; 46,5 x 85 x 85 cm. Collection Museo Macional de Bellas Artes, Neuquén, Argentina.

Sculpture in Search of The Axis Mundi, 1993; pigmented cement; 14 x 14 x 8 in; 35,5 x 35,5 x 20 cm. Courtesy Cecilia de Torres Ltd., New York.

Ascension Within, 1994; pigmented cement, 22 x 9 x 9 in; 56 x 23 x 23 cm. Courtesy MCMC Gallery, Buenos Aires.

Evocation: Hurin Machu Picchu, 1995; pigmented cement, 18 x 12 ½ x 12 ½ in.; 45,7 x 31,7 x 31,7 cm. Private collection. Courtesy Cecilia de Torres LTd., New York.

5. Impossible Architecture, 1999; pigmented cement; 5 ½ x 31 ½ x 31 ½ in; 14 80 x 80 cm. Courtesy MCMC Gallery, Buenos Aires.

Tectonic Investigations, 2007; corten steel; 14 x 47 ¼ x 47 ¼ in; 35 x 120 x 120 cm. Courtesy Dan Galeria, São Paulo, Brazil./p>

Tectonic Investigations, 11, 2008; corten steel; 19 x 47 ¼ x 47 ¼ in; 49 x 120 x 120 cm. Private collection. Courtesy Durban-Segnini Gallery, Miami, Fla.

8. Tectonic Investigations, 12, 2008; corten steel; 21 x 47 ¼ x 47 ¼ in; 53 x 120 x 120 cm. Private collection. Courtesy Durban-Segnini Gallery, Miami, Fla.

Virtual Cubes Series, 2, 2008; corten steel; 5 parts, variable configuration, area 15,7 x 31 ½ x 31 ½ ; 40 x 80 x 80 cm. Courtesy Galerie Denise René, Paris.

10. Tectonic Continuity,2019; acryilic paint on fiberboard; 25 x 71 x 71 in; 63 x 180 x 180 cm. Collection Museo Nacional de Bellas Artes, Buenos Aires (photo maquette).