Tetrahedra 1, 1977
Tetrahedra 1, 1977

Coloured pencil on graph paper.

Tetrahedra 4
Tetrahedra 4

Coloured pencil on graph paper, detail.

Cauldron 1, 1994
Cauldron 1, 1994

Tetrahedra 1, 1977
Tetrahedra 1, 1977

Coloured pencil on graph paper.

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