Red Mandala, 1967, Acrylic on canvas, 68 x 54

Red Mandala, 1967, Acrylic on canvas, 68 x 54"

Yantra, 1965, Acrylic on canvas, 56 x 48

Yantra, 1965, Acrylic on canvas, 56 x 48"

Bindu 1, 1966, Acrylic on canvas, 55 x 45

Bindu 1, 1966, Acrylic on canvas, 55 x 45"

Hsing, 1966, Acrylic on masonite, 15 x 15

Hsing, 1966, Acrylic on masonite, 15 x 15"

Cross Section, 1980, Acrylic on canvas, 44 x 44

Cross Section, 1980, Acrylic on canvas, 44 x 44"

Untitled, 1981, Acrylic on canvas, 44 x 48

Untitled, 1981, Acrylic on canvas, 44 x 48"

Untitled, 1980, Acrylic on canvas, 20 x 20

Untitled, 1980, Acrylic on canvas, 20 x 20"

Untitled, c. 2000, Acrylic on board, 16

Untitled, c. 2000, Acrylic on board, 16" D

Three Arcs, 2000, Acrylic on wood, 12

Three Arcs, 2000, Acrylic on wood, 12" D

Centered: Radiating (artist's proof), 1964, Etching, 17.25 x 17.75

Centered: Radiating (artist's proof), 1964, Etching, 17.25 x 17.75"

Second Plan, 1966, Aquatint and Tape Resist Etching, 17.63 x 14.25

Second Plan, 1966, Aquatint and Tape Resist Etching, 17.63 x 14.25"

V.I. (B & W points on a double lattice), c. 1995, Etching, 15.5 x 15.75

V.I. (B & W points on a double lattice), c. 1995, Etching, 15.5 x 15.75"

Cutting Close (6th state, 1st proof), 1981, Woodcut, 32 x 22.5

Cutting Close (6th state, 1st proof), 1981, Woodcut, 32 x 22.5"