ArtistSwedish
Ingemar Thillmark
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Ingemar Thillmark was a Swedish furniture designer who worked during the height of the Scandinavian Modern movement in the 1950s and 1960s. His output is closely associated with OPE Möbler, the Jönköping-based upholstered furniture manufacturer formally known as Olof Perssons Fåtöljindustri, which during this period collaborated with a range of designers across Sweden and Denmark to produce high-quality domestic seating.
Thillmark's most enduring contribution is the Läckö series - an armchair, lounge chair, and three-seater sofa that take their name from Läckö Castle on Lake Vänern. The pieces are built on beech frames and upholstered in tufted leather, combining a solid, almost rustic presence with the functional clarity typical of mid-century Swedish furniture design. The Läckö chair carries a low, enveloping profile that balances visual weight with seated comfort, and the series has continued to attract collectors of postwar Scandinavian design.
OPE Möbler's roster during the 1950s and 1960s included the Danish architect Ib Kofod-Larsen and Swedish designer Kerstin Hörlin-Holmquist, placing Thillmark in a productive company of contemporaries working at the intersection of craft tradition and modern production. His designs reflect the broader ambition of that period to bring well-made, considered furniture into everyday Swedish homes.
Beyond furniture, there is evidence that Thillmark also had a practice in fine art, with at least one signed mixed-media still life appearing at auction. The biographical record remains sparse, and no precise birth or death dates have been established in the available sources.
On the Swedish auction market, Thillmark appears primarily through his OPE designs. The 17 items recorded on Auctionist are dominated by Läckö chairs and armchairs, with examples passing through houses including Varberg Auktionskammare, Bukowskis Stockholm, Markus Auktioner, and Halmstads Auktionskammare. Prices for individual pieces have ranged from around 900 to 3,700 SEK, reflecting the accessible end of the vintage Scandinavian furniture market. His work is also actively traded internationally on platforms such as 1stDibs and Pamono.