Proyecto para cubo transitable , 1967 (Project for Penetrable Cube).
Graphite and color pencil on paper. 19 x 25 ½ in. (50 x 65 cm.)
Cubo transitable , 1967 (Penetrable Cube) Painting on wood. 79 x 79 x 78 ¾ in. (200.7 x 200.7 x 200 cm.)
Proyecto para cubo transitable , 1967 (Project for Penetrable Cube). Graphite and color pencil on paper. 18 x 24 in. (46 x 61 cm.)
Proyecto para cubo transitable , 1967 (Project for Penetrable Cube). Enamel and acrylic on metal. 8 x 8 x 8 in. (20.3 x 20.3 x 20.3 cm.)
Sistema cromático –primarios– , 1968 (Chromatic System –Primary–). Graphite and acrylic on paper. 19 x 24 in. (48 x 61 cm.)
Foreground: Sistema monocromo , 1968 (Monochrome System).Enamel and acrylic on metal. 7 ⅞ x 3 ⅞ in. (20 x 10 cm) each. 9 units.Background: Proyecto de sistema monocromo , 1968 (Project for Monochrome System). Graphite and acrylic on paper. 18 &frac78 x 23 ⅝ in. (48 x 60 cm.)
Proyecto de sistema monocromo , 1968 (Project for Monochrome System). Graphite and acrylic on paper. 18 ⅞ x 23 ⅝ in. (48 x 60 cm.)
Tramando colores y luces , 1972 (Intertwining Colors and Lights). Acrylic on paper. 12 ½ x 17 ¼ in. (32 x 44 cm.)
Sistema cromático , 1967 (Chromatic System). Graphite and acrylic on paper. 11 ⅞ x 19 ¼ in. (30 x 49 cm.)
Combinaciones cromáticas –Serie ponchos– , 1970 (Chromatic Combinations, –Series Ponchos–). Acrylic on paper. 11 x 17 ¾ in. (28 x 45 cm.)
Sistema de color , 1969 (Color System). Graphite and acrylic on paper. 16 ⅞ x 25 ⅜ in. (43 x 64.5 cm.)
Cuatro por cuatro por cuatro , 1968 (Four by Four by Four). Acrylic on paper. 11 ¼ x 11 ¼ in. (28.5 x 28.5 cm.)
Trama, color y luz , 1969 (Woof, Color and Light). Acrylic on paper. 16 ⅞ x 25 ½ in. (43 x 65 cm.)
Sistema de color , 1968 (Color System). Graphite and acrylic on paper. 26 x 19 in. (66.5 x 48.5 cm.)
Sistema de color , 1969 (Color System). Graphite and acrylic on paper. 16 ⅞ x 25 ½ in. (43 x 65 cm.)
Trama cromática , 1972 (Chromatic Intertwining). Painted cotton rope. 78 ¾ x 118 ⅛ in. (200 x 300 cm.)
Sistema cromático , 1971 (Chromatic System). Cotton thread, painting and wood. 21 ¼ x 21 ¼ in. (54 x 54 cm.)