Movement, 1963, acrylic on paper, 100 x 130.

Movement, 1963, acrylic on paper, 100 x 130.

AY-Ay Gallery Yokohama

Semi Static Light Movements, 1963, Metal en wood.

Stedelijk Museum

Restored chair, 1963.

prototype, 1964, hout, formica, scharnieren.

obstakel 1965, formica.

Prototype, 1966, formica, 167 x 172 x 2 cm