- ·Constructive sculptures
- ·1975
- ·40 cm
- ·Ink, paper
- ·00.258.4.
- ·Prisms, circles
- ·1975
- ·43 cm
- ·Ink, paper
- ·00.260.1.
- ·Prisms, circles
- ·1975
- ·43 cm
- ·Ink, paper
- ·00.260.2.
- ·Constructive sketches
- ·1975
- ·43 cm
- ·Ink, paper
- ·00.136.1.
- ·Constructive sketches
- ·1976
- ·43 cm
- ·Ink, paper
- ·00.259.2.
- ·Constructive sketches
- ·1976
- ·42 cm
- ·Ink, paper
- ·00.259.1.