1965

[untitled]
14 × 14 cm

[toevalsstruktuur]
150 × 200 cm

random objectivation
28.5 × 28.5 cm

[homogene struktuur]
14 × 14 cm

toevalsobjectivering
27.5 × 27.5 cm

random objectivation
27.5 × 27.5 cm
collection Kunstmuseum Den Haag, The Hague

random objectivation
27.5 × 21 cm

toevalsobjectivering
27.5 × 21 cm

[untitled (white strips)]
27.5 × 27.5 cm

[a.r.]
27.5 × 27.5 cm

[random objectivation]
26 × 21.6 cm

[random objectivation]
27.5 × 21.5 cm

random objectivation
24.9 × 24.9 cm

[untitled]
40.5 × 40.5 cm
collection Städtische Galerie Villa Zanders, Bergisch-Gladbach

[untitled (homogeneous structure)]
20 × 20 cm

[untitled]
20 × 20 cm

[random objectivation]
25 × 25 cm
collection EICAS, Deventer

[untitled]
14 × 10 cm

[untitled (random objectivation)]
19 × 19 cm

[untitled]
20 × 20 cm

random line
43 × 61 cm

random line
43 × 61 cm

random line
43 × 61 cm

random line
43 × 61 cm

[random lines]
43 × 61 cm

[random lines]
43 × 61 cm

[untitled]

[untitled (empty sheet)]
43 × 61 cm
edition 10, signed and numbered

[untitled]
40 × 40 cm
edition 15, signed and numbered

[untitled]
27.5 × 21 cm
edition unknown, signed and dated

[homogeneous structure]
10.5 × 15 cm

random objectivation
29.7 × 21 cm
edition unknown

random objectivation
29.7 × 21 cm
edition unknown

the eye
29.7 × 21 cm
edition unknown

[new year's card]
26 × 21 cm
edition unknown, signed

random objectivation (punchcards)
8.3 × 18.7 cm
edition unknown, at least 12 copies

random objectivation
50 × 50 cm

[untitled]
15 × 15 × 3.5 cm

[untitled]
80.5 × 80 × 5.8 cm

zufallsobjektivierung
120 × 120 cm

random objectivering
35 × 40 cm

[random objectivation]
60 × 60 cm

random objectivation
29.5 × 29.5 × 1.8 cm

[random objectivation]
29.5 × 29.5 × 2 cm
collection susanne jacob de vries

[random objectivation]
29.5 × 29.5 cm

random objectivation
29.5 × 29.5 cm

[untitled (homogeneous structure)]
80 × 80 × 2 cm

[random objectivation]
22 × 26 × 4.5 cm

[random objectivation]
26 × 22 × 2 cm
collection Espace de l'Art Concret, Mouans-Sartoux

[random objectivation]
70 × 70 cm

random objectivation
70 × 70 × 4.3 cm

verstelbare toevalsstructuren
(2 ×) Ø 54 cm

[plastische toevalsstruktuur]
21 × 18 cm

[random objectivation]
22.5 × 18 cm

[untitled]
65 × 65 × 4.5 cm

[untitled]
70 × 70 cm

[random objectivation (with decreasing density)]
Ø 60 cm

[random objectivation (with decreasing density)]
Ø 70 cm
collection Museum Voorlinden, Wassenaar

[random objectivation (with decreasing density)]
Ø 40 cm

[random objectivation]
40 × 40 cm

[objectivé par l'hasard]
25.8 × 22 cm

[random objectivation]
45.5 × 45.5 cm

[random objectivation]
70 × 70 cm

homogene struktuur
45 × 45 × 5.5 cm

[random objectivation]
40 × 40 cm

[random objectivation]
80 × 80 cm
collection Muzeum Sztuki, Lodz

[untitled (shadow object)]
70 × 70 cm

[toevalsstapeling]
18 × 8 × 10 cm

[toevalsverbinding]
8 × 26 × 10.5 cm

[random spatial structure]

ruimtelijke toevalsstructuur
350 × 350 cm × variable height