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| Marcel-Louis Baugniet, 'Les orgues sur fond rose', 1926 |
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| Alighiero Boetti, 'Mazzo di tubi', 1966 Courtesy Galleria Christian Stein, Milano |
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| Jan Roeland, 'Twee doosjes', 1967 |
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| Manuel Felguérez, 'Untitled', ca 1970 |
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| Lucio-del-Pezzo, in the exhibition 'Geometrie', 1990 |
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| Per Kirkeby, pavilion at Middelheim, Antwerp, Belgium, 1993 |
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| Yaacov Agam, 'Peaceful Communication with the World', 2009, monument for World Games in Kaohsiung, Taiwan |
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| Lore Van Roelen, ‘Rechtopstaande objecten’, 2015, in ‘No Blossom No Moonlight’, Extra City Kunsthal, 2015 © We Document Art |
