1963

[untitled]
27.5 × 21.5 cm

[untitled]
20 × 23.7 cm

[untitled (lines at random)]
35 × 50 cm

[untitled]
29 × 28 cm

[untitled]
10 × 15 cm or 15 × 10 cm

[untitled]
15 × 10 cm

[untitled]
27.5 × 21 cm

[untitled ('14× licht vangend')]
24.6 × 21 cm

random objectivation
35 × 50 cm

random objectivation
35 × 50 cm

at random
21 × 27.5 cm

[untitled]
28.9 × 28.9 cm

random objectivation
27 × 21 cm
collection Staatsgalerie Stuttgart, Stuttgart

[untitled]
11.5 × 20.5 cm or 20.5 × 11.5 cm

[untitled]
29 × 14 cm

[untitled ('vierkant')]
27.3 × 27.3 cm

[untitled (black squares)]
27 × 21 cm

[untitled (black squares)]
27 × 21 cm

[untitled]
14 × 14 cm

[untitled]
21.5 × 27.5 cm
collection Museum Ostwall im Dortmunder U, Dortmund

[untitled]
34.5 × 34.5 cm

random objectivation
14 × 29 cm

[untitled (2× red)]
2 sheets each 20 × 20 cm

[untitled]
30 × 30 cm

[untitled]
27.2 × 27.2 cm

[untitled]
21.5 × 27.5 cm

random objectivation

collection Staatsgalerie Stuttgart, Stuttgart

random objectivation
21.5 × 27.4 cm
collection Museum Ostwall im Dortmunder U, Dortmund

[untitled ('wit op zwart')]
34 × 34 cm

[untitled ('wit op wit')]
34 × 34 cm
collection Staatsgalerie Stuttgart, Stuttgart

[untitled]
35 × 50 cm

[untitled (red on white)]
14 × 14 cm

at random ('geel op wit')
15.5 × 18.5 cm

random objectivation
43 × 61 cm

random objectivation
27 × 21.5 cm

[untitled]
20 × 20 cm

random objectivation
16 × 21.5 cm

random objectivation
21.8 × 27.2 cm

random composition
27 × 27 cm

[untitled ('9 × 9 ungleich')]
28 × 27 cm

random objectivation
42 × 62 cm

[untitled]
(8 ×) 24 × 17 cm

[untitled]
(6 ×) 27.5 × 21.5 cm

random objectivation
21 × 7 cm
collection Fondazione Antonio e Carmela Calderara, Milan

[untitled]
16 × 21.5 cm
collection Albertina, Vienna

[untitled]
24.5 × 20.5 cm
collection Albertina, Vienna

random objectivation
21.5 × 27.5 cm

[untitled]
27.5 × 21.5 cm

[untitled (reflection picture)]
16 × 15 cm

[untitled (reflection picture)]
27 × 21.5 cm

[untitled (reflection picture)]
27.5 × 21.5 cm

[untitled (reflection picture)]
28.2 × 21 cm

[untitled (reflection picture)]
27 × 26.8 cm

[untitled (reflection picture)]
29 × 29 cm

[untitled]
27.6 × 21.7 cm
collection Groninger Museum, Groningen

[untitled ('radering')]
43 × 61 cm

[untitled (reflection)]
28 × 22 cm
edition 300

[untitled]
2 × 2 cm
edition 300

[untitled]
4.5 × 4.5 cm
edition 300

[untitled ('reflektie')]
21 × 15 cm
edition 150

[untitled (white painting)]
25 × 24.5 cm

[untitled (reflection picture)]
24 × 30 cm

[untitled (reflection picture)]
50 × 65 cm

[untitled (reflection picture)]
55 × 70 cm

[untitled (white plastic)]
40 × 45 cm

[untitled (white plastic)]
40 × 40 cm

[untitled (white plastic)]
100 × 100 cm

[untitled (white painting)]
24.3 × 24.3 cm
collection susanne jacob de vries

[untitled (homogeneous structure)]
43 × 61 cm
edition of 3, signed and numbered

[untitled (homogeneous structure)]
43 × 61 cm
edition 3, signed and dated

[untitled (grid structure)]
43 × 61 cm
edition 2, signed and numbered

[untitled (grid structure)]
21.5 × 27 cm
edition 20, signed and numbered

[untitled (squares at random)]
43 × 61 cm
edition 2 or 3, signed and numbered

[untitled (square at random)]
61 × 43 cm
edition 1/1, signed and numbered

[untitled (square at random)]
43 × 61 cm
edition 1/1, signed and numbered

[untitled (yellow print)]
27 × 21.5 cm
edition 1/1

[untitled (yellow print)]
27 × 21.5 cm
edition 1/1

[untitled (yellow print)]

edition 2, signed and numbered

[untitled)]

edition 6, signed and numbered

[untitled (black/white print)]
95 × 60 cm
edition 1/1

[untitled (blue stripes)]
40 × 40 × 2 cm
edition 1/1

[untitled]
21 × 30 cm
edition 150

[untitled]
22 × 28 cm
edition 300

toevalsobjektivering
25 × 94 × 2 cm

[untitled (homogeneous structure)]
14 × 22.5 cm
collection susanne jacob de vries

[untitled]
80 × 40 × 5.5 cm

[untitled (white relief)]
25 × 28 cm

[untitled (homogeneous structure)]
49 × 49.5 cm

random objectivation
108 × 108 × 2.5 cm

[untitled (white serial visual object)]
33 × 39 × 3 cm

[untitled]
65 × 65 × 4.5 cm

[untitled (white relief reflection)]
39.5 × 82 × 8 cm

[untitled ('homogene horizontale structuur')]
39.5 × 40 cm

[untitled (homogeneous structure)]
17.2 × 26 cm
collection susanne jacob de vries

[untitled (homogeneous structure)]
14 × 23 cm

[untitled (relief in 2 parts)]
20 × 23 cm

[untitled (white relief)]
26 × 65 cm

[untitled (white relief)]
40 × 80 cm

[untitled (white relief at random)]
80 × 80 cm

[untitled (cork relief)]
40 × 82 cm

[untitled (reflection box)]
31 × 31 cm

[untitled (slim pole)]
height 111 cm

[untitled (object with nails)]
42 × 13 × 7.6 cm

[untitled (assembled block)]
46 × 8 × 8.5 cm

[untitled (assembled block)]
86 × 16.5 × 6 cm

[untitled (pole with notch)]
height 48 cm, Ø 4.5 cm
collection Centre Georges Pompidou/MBNAM-CCI, Paris

[untitled (3 columns)]
(3 ×) 164.5 cm, Ø 11 cm

[untitled (perforated pole)]
183.5 × 10.5 × 10.5 cm
collection Centre Georges Pompidou/MNAM-CCI, Paris

[untitled (block)]
51 × 5 × 5 cm

[untitled (pole)]
height 48 cm

[untitled (assembled pole)]
36.3 × 4.1 × 4.1 cm
collection Museum Ostwall im Dortmunder U, Dortmund

[untitled (pole)]
78 × 20 × 20 cm
collection Museum Ostwall im Dortmunder U, Dortmund

[untitled (glass column)]
height 40 cm

[untitled (rotatable glass)]
height 83 cm

[untitled (beam with 18 holes)]
93.5 × 5 × 13 cm

[untitled (3 glass tubes)]
height 156 cm

[untitled (20 glass tubes)]
height 79 cm

[untitled (60 glass tubes)]
height 56 cm

[untitled (81 hanging glass tubes)]
height 250 cm

[untitled (pole with triangle)]
height 158 cm

[untitled (2 poles)]
height 82 cm

[untitled (2 cavites reflection)]
height 18 cm

[untitled (assembled column)]
height 97 cm

optisch object