Osso チェア by Wongsun Yoo is a highly esteemed winner of the very prestigious 2025 A' Design Award 銀賞 in 家具デザイン Competition Category.
銀家具· 2025
Osso チェア
by Wongsun Yoo
Client: Yoo Wongsun
A' Design Award 銀賞 Winner in 家具 Category
Verified Award Winner
Verify Award Status for #167154The Design
About Osso チェア
Ossoチェアは、印象的なシルエットで人々の注目を集めます。湾曲した梁と座面、背骨のように背面に重なる円形の背もたれを特徴とし、バロック様式とミニマリズムの両方の要素を併せ持つ作品です。それゆえ「Osso（骨）」と名付けられました。接合部は軽やかに見えますが、デザインは強度とリズムを重視した建築原理に基づいており、伝統的な東洋建築を彷彿とさせます。若手デザイナーと熟練したフランスの家具職人集団Brimboisのコラボレーションにより、何世紀も受け継がれてきた技法と仕上げが現代的な作品に適用され、デザインを高めています。
The Recognition
About the A' Design Award 銀賞
Osso チェアは、見事で印象的なハイエンドのデザインに授与される、非常に権威ある評価である A' Design Award 銀賞の受賞作品です。銀賞の受賞作品は、きわめて輝かしく創造性に富んだ作品であり、デザイナーの傑出した専門知識、才能、洞察力を示しています。Osso チェアは、素晴らしい代表作であり、驚くほどプロフェッショナルで、深く革新的であることが期待されます。この A' Design Award 銀賞を受賞したデザインは、非常に注目すべき称賛される発明であり、芸術・科学・デザイン・技術の境界に寄与し、それを前進させます。Osso チェアは、多くの人に羨まれる創造物であり、欲求を呼び覚まし、前向きな感情をもたらし、驚きと感嘆を灯します。
Behind the Design
Press Kit
Credits, team members and technical details provided by the designer.
- Unique Properties
- While the joineries appear effortless, much like bones, the framework is informed by architectural principles that enhance structural integrity while creating a visually dynamic rhythm reminiscent of traditional Oriental architecture. Rather than relying on thick, bulky materials for stability, the beams curve and interlace to form a cross-bracing structure. This allows the chair to support a concave seat that follows the contours of human anatomy, reducing pressure points compared to flat seats. The gap between the double columns at the back naturally accommodates the horizontal components, seamlessly supporting the plates and reinforcing the design's harmony.
- Dimensions & Packaging
- Width 710mm x Depth 550mm x Height 835mm
- Tags
- Heritage driven design, Fusion of tradition and technology, Ergonomic design, Comfortable seating, Craftsmanship, Timber structure, Sustainability
- Production Technology
- The production process bridges technology and craftsmanship. On one side, a strong focus on geometry and modularity resulted in extrusion based forms from 3 - 5cm planks of timber, that ensures a CNC manufacturing process. On the other, luxurious finishes to seamless joineries were developed in partnership with French cabinetmaker, Brimbois, bringing back century old techniques. The result is a black stained wood adds a modern, minimalist elegance while allowing the grain texture to subtly remain visible.
- Design Challenge
- The chair’s complexity lies in the precision of its joints, which meticulously connect each component. To achieve a minimal yet effortless silhouette, the design drew inspiration from bone joints where structural integrity is maintained while elements naturally interlock. This concept was expressed through the intentional exposure of rounded edges at the joinery. The prototype’s fabrication involved close collaboration with the manufacturer. Each element was individually stained before assembly, ensuring a uniform, seamless black finish across all joint points.
- Research
- The research aimed to achieve ergonomic comfort in a solid surface, offering an alternative to upholstered furniture. This led to an exploration of seat and backrest angulation, as well as a subtly curved seat plate for better anatomical support. Using VR technology, multiple prototypes were tested to refine ergonomics. In collaboration with French cabinetmakers Brimbois, locally sourced ash wood from Franche-Comte was used. A detachable 3cm upholstered plate was also developed for added versatility. Debuting at Paris Design Week 2023 at the Salon Atelier de France, the chair received valuable feedback from designers, architects, and gallery owners. This led to the addition of 5cm timber toes, which can be trimmed to adjust seat height without altering the design.
- Inspiration
- Osso draws inspiration from traditional Oriental architecture and the natural bone structures. The design embodies principles of balance, proportion, and craftsmanship, employing wood joineries that exemplify the precision of enduring architectural techniques. The back of the chair is designed as its second façade, where the horizontal structural components come together like the bones of a spine, hence, Osso. These elements combine to create a chair that is both functional and sculptural, blending tradition with nature in a clean and harmonious design.
- Project Duration
- The chair was designed in January 2024 and the first prototype was made in June 2024, both in Paris.
- Operation Flow
- The chair emphasises on the negative space, of the space that is left from the object. Through its open-back frame and three-legged structure, it embodies openness and lightness. The seat, following a subtle curve seems to float above the frame. This method enhances comfort while creating a striking silhouette imparting a sculptural quality to the object. This dynamic interplay of light and shadow adds depth to the surrounding space, elevating the chair not only as practical furniture but also as a refined architectural statement.
- Patents
- Wongsun Yoo
- Team Members
- Wongsun Yoo
- Image Credits
- Wongsun Yoo
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