Hydro
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Founded in 1905, Hydro is a leading aluminium and renewable energy company committed to a sustainable future. Based in Oslo, Norway, Hydro employs more than 30.000 people worldwide across a broad range of market segments for aluminium, energy, metal recycling and renewables, offering a unique wealth of knowledge and competence.

To celebrate 90 years of the Aalto vase, Hydro collaborates with Iittala to present the Aalto 90 Pavilion at Ofelia Plads. Inspired by Alvar Aalto’s iconic design, the pavilion invites visitors to step inside and explore an immersive soundscape crafted for this occasion. The pavilion is formed in aluminium—chosen for its versatility, strength and infinite recyclability—made using 100% renewable energy. Selected as Iittala’s partner for its deep material and engineering expertise, the two companies seek to build upon their combined Nordic legacy of more than 260 years to support a more circular approach to temporary architecture.

Related Exhibitions
Founded in 2019, Material Matters is a platform dedicated to exploring the role of material intelligence in architecture and design. With more than 140 podcasts published and four acclaimed editions of its annual fair staged in London, the brand made its international debut in Copenhagen in 2025 as part of 3daysofdesign—an appearance that exceeded expectations and confirmed the appetite for a deeper, more material–led conversation. Building on the success of last year, Material Matters returns to 3daysofdesign taking up, once again, the residence in the heart of Christianshavn, positioned as a key destination within the city.
Material Matters
November 4, 2024
Part of 2025
Materials
Furniture
Lighting
Accessories
Hévéa House is a French design house rooted in a cultural dialogue between Europe and Southeast Asia. Inspired by a literary journey to Malaysia and the enduring presence of the Hévéa tree (rubber tree), the brand transforms a shared history into contemporary design. Its biophilic furniture combines sculptural clarity with functional purpose, connecting memory, material and modern living. Each collection reflects a quiet awareness of time, change and nature’s resilience. Hévéa House believes design should make each moment matter—balancing poetry, structure and sustainability in timeless interiors.
Hévéa House
January 22, 2026
Furniture
Part of 2026
Meridiani is a Made in Italy furniture brand founded in Brianza, north of Milan, in 1996. Under the art direction of Andrea Parisio, the brand’s designer since its inception, Meridiani is known for timeless, contemporary, and versatile collections that interpret the home as something to be worn. A strong focus on quality, craftsmanship, technical expertise, and material knowledge defines its work, resulting from a continuous exploration of materials and textures. The collections balance beauty and comfort, creating intimate living environments while offering a wide range of shapes and finishes open to personal interpretation.
Meridiani
March 7, 2024
Furniture
Part of 2024
Part of 2025
Part of 2026
AL2 has created distinctive, timeless design pieces since 2013, drawing on a woodworking heritage that dates back to 1970. Founded by Manos Alexopoulos, the brand has evolved into a Greek lifestyle label with a strong presence on the international design scene. Through collaborations with award–winning designers, AL2 produces furniture defined by elegance, flexibility and contemporary refinement. Its designs shape personalised spaces—from homes and offices to public environments—tailored to individual needs. AL2 is distributed in more than 30 countries and is ISO–certified for quality management and industrial design.
AL2
January 10, 2025
Furniture
Part of 2025
Part of 2026
Other Exhibitions
Throughout history, tools have been crucial to humanity’s ability to survive and innovate, from primitive stone tools to advanced machinery, tools have been key to shaping the world. VÆRKTØJ is an exhibition format that aims to communicate and demonstrate how the identities of designers are largely shaped by the tools they use; as tools not only drive the development of ideas and creative processes but also leave a distinct mark on the final product.
VÆRKTØJ
January 29, 2023
Troldtekt designs, develops and manufactures acoustic panels made from Danish wood and cement. The company’s mission is to improve acoustic comfort in buildings while ensuring a healthy indoor climate and offering architects a wide range of design possibilities. Since 2012, Troldtekt has placed the Cradle to Cradle® design concept at the core of its business strategy, with a continuous focus on creating value for the environment, society and business. The combination of wood and cement gives the panels unique sound–absorbing properties, ensuring good acoustics in any room. The material is resilient, suitable for moist environments and provides effective fire protection.
Troldtekt
February 15, 2022
The Boffi|DePadova Way of Living is made up of details, customs and practices woven together into a rich tapestry. The group proudly narrates this story via the offering of interior systems and furniture elements where quality and consistency are fundamental values. Versatility and the intelligent use of interior space form the basis of the integrated design offer from Boffi|DePadova. These two aspects are expressed by the group in the way it develops not only individual products with a unique personality, but in its ability to put forth a complete project that conveys a distinct mood by merging different entities. It is a manifesto of contemporary architecture.
Boffi|DePadova
February 12, 2022
Finnish Durat is a unique solid surface material which contains recycled post–industrial plastics and is 100% recyclable. The distinctive character of Durat is a combination of the illusion of a three–dimensional surface and its luxurious warm and silky feel. It is available in nearly 300 vibrant colours, all of which are available in 11 different textures. Durat also offers a unique service providing custom colours and textures. Durat is an excellent choice for kitchens, bathrooms, restaurants, retail spaces, hospitals, ships and several other bespoke furniture when distinctive appearance, durability and easy maintenance are required. The versatile material offers designers almost infinite opportunities.
Durat
January 22, 2026
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