Proof of Concept

Proof of Concept
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Proof of Concept is a dynamic exhibition platform exploring the intricate and captivating processes behind design. Showcasing work from a collective of multidisciplinary studios, it highlights self–initiated projects, products that never reached the market, and designs already in circulation. By shedding light on the extensive development process, the exhibition offers a rare glimpse into the evolution of a product—revealing the ideas, challenges, and creativity that shape its journey.

Proof of Concept — Connect is an exhibition that explores how materials, processes, construction and craftsmanship shape our relationship with everyday objects. Designers are invited to consider the role of tactile experiences, traditional techniques, and innovation in forging deeper connections between makers, users, and the spaces we inhabit. Through this exploration, the exhibition celebrates the tangible bonds that bring design to life.

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dk3 is a Danish design furniture brand creating exclusive classic and contemporary furniture from acclaimed Danish and international designers. Each dk3 furniture piece is shaped and crafted by true enthusiasts—always with an uncompromising focus on quality and an ongoing ambition to unite the finest carpentry traditions with modern and classic interior aesthetics.
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ToneArt is a Danish design house operating as PH Pianos, PH Furniture and Copenhagen Design House. Under official rights, the company brings Poul Henningsen’s piano, furniture and mirror designs into the present. The collection connects Danish design heritage with contemporary craftsmanship and material awareness. Alongside the PH universe, Copenhagen Design House presents works by other Scandinavian and Baltic designers. At the intersection of art, music and interiors, ToneArt presents a world of functional artworks.
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V–ZUG, the leading Swiss household appliance brand, has been developing and manufacturing kitchen and laundry appliances for over 113 years, providing comprehensive service across its markets. Rooted in Switzerland since 1913, V–ZUG designs appliances refined to their essential elements, embodying a design philosophy that is as minimal as possible. The company is committed to building a sustainable future through the manufacture of long–lasting appliances and responsible, carbon–neutral production, working every day to bring simplicity into homes and creativity into kitchens.
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Since the 1980s, Cube Design has been a leading player on the contract market for quality office furniture. The family-owned Danish Design Brand has a strong tradition for designing, developing, and producing modern, high-quality office furniture and creating innovative and inspiring spaces for the customers. The brand is characterized by Danish craftmanship, high quality and durable furniture that can be used generation after generation. With a sustainable mindset Cube Design work to ensure a continued responsible furniture production. For more than 10 years, Cube Design has been ISO 14001 certified. In addition, Cube Design is FSC® certified (FSC C155594) and has a large selection of EU Ecolabel certified furniture.
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Based in Copenhagen, Stelton is a family–owned design house rooted in the Scandinavian design tradition. Since its founding in 1960, the company has developed a strong international presence through collaborations with leading designers worldwide. With a clear and disciplined approach to form, function and material, Stelton creates design families defined by proportion, longevity and everyday relevance. Working with designers who regard simplicity as a method rather than a gesture, the brand develops objects that endure beyond seasonal trends. At 3daysofdesign, Stelton highlights the process, materiality and the considered choices behind each design.
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German Excellence since 1969—LUIZ has been creating home textiles and bespoke beds in its atelier in Cologne. The family–run brand combines refined craftsmanship with a clear and timeless approach to design. From bed linen and cushions to plaids, terry, table linen and handcrafted beds, every piece is custom-made using carefully selected materials and a strong attention to detail. The LUIZ aesthetic is inspired by natural hues, light textures and a refined blend of fine fabrics. Soft, earthy colours define a sophisticated atmosphere with quiet elegance. The collection brings this vision to life through carefully selected natural materials and combined with balanced tones and a timeless sense of comfort and design.
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PP Møbler is a family owned furniture workshop with a strong tradition for advanced craftsmanship made to the highest possible quality standards. All production is based in Denmark north of Copenhagen, and the collection as well as the history of the company is closely connected to the legacy of renowned Danish designer Hans J. Wegner.
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Birgitte Due Madsen is a Copenhagen-based artist and designer working across furniture, objects, and sculptural form. Her practice centres on materiality, light, and aesthetics, exploring how structure and surface inform both function and perception. Working with materials such as gypsum, resin, wood stone, and concrete, she develops pieces through a process that moves from abstraction to precise realization. The work spans custom commissions, serial designs, and unique pieces, often produced in close dialogue with manufacturers. Defined by tactile textures, controlled colour, and a distinct geometric language, each object reflects a commitment to craftsmanship and a considered approach to form, material, and use.
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Proof of Concept
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