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The architectural world is evolving rapidly, with 3D printing emerging as an increasingly popular means of manufacturing. While the additive manufacturing technology is known for its flexibility and efficiency, its integration into industry presents unique opportunities and challenges.

三菱ケミカルグループ　Growth Garage - Open Innovation Hub に、弊社の取り組みが紹介されました。

The architectural world is evolving rapidly, with 3D printing emerging as an increasingly popular means of manufacturing. While the additive manufacturing technology is known for its flexibility and efficiency, its integration into industry presents unique opportunities and challenges. Oka Architecture, an innovative Japanese architectural office, has embraced the shift. They are exploring how 3D printing can redefine construction practices while addressing sustainability and adaptability in design.

We had the opportunity to speak with Oka Architecture about their mission, challenges, and future vision for the integration of 3D printing in architecture.

The Mission: Sustainable, Adaptive Design

Oka Architecture’s mission revolves around creating buildings that are not only robust but also adaptable to changing needs. It’s common to design building structures with standard service life of 65 years in Japan. However, they question the necessity of such longevity, especially when many structures are demolished prematurely.

"Our mission is not to make things last permanently but to make them last longer by changing their shapes and circulating the materials," they explained. By integrating 3D printing, Oka Architecture aims to design structures with shorter, more flexible lifespans while promoting sustainability through material reuse. Their goal is to facilitate modularity in their architecture while using sustainable materials.

3D Printing in Architecture

In Japan, 3D printing is increasingly utilized in concrete and mortar applications, but its adoption in broader architectural contexts is still in its infancy. Oka Architecture highlights both the potential and limitations of the technology.

"3D printing allows us to create shapes that were previously impossible. However, challenges like material deformation and ensuring compliance with building codes make its application in large-scale construction complex," they explained.

Circularity and Material Recycling

The Oka Architecture team has defined their long term vision around material circularity. They are experimenting with grinding and reusing 3D printing materials, creating a closed-loop system that aligns with their commitment to sustainability.

"Our efforts are still in its infancy, but we are determined to take responsibility for the materials we use and ensure they can be repurposed effectively," they shared.

Furthermore, they draw inspiration from the Metabolism movement, a historical architectural approach emphasizing modular and adaptable designs. Although it failed to gain widespread traction in its time, the firm sees potential in revisiting these concepts with modern technologies like 3D printing.

Future Opportunities with FGF Technology

The rapid adoption of Fused Granular Fabrication (FGF) technology—a form of 3D printing capable of producing large-scale objects—presents exciting opportunities. FGF’s ability to utilize diverse materials makes it suitable for creating furniture, interiors, or even small structures like mobile kitchens and cruise boats.

"What we’re most excited about is the potential for temporary housing solutions. During disasters, even small spaces like toilet facilities can make a significant difference," they said.

Challenges and Vision

While Oka Architecture is optimistic, they acknowledge the hurdles of integrating 3D printing into architecture. Structural strength, material limitations, and cost remain significant obstacles. However, the firm views these challenges as opportunities for innovation.

"3D printing is not the only way forward, but it’s a powerful tool that enhances our ability to create solutions tailored to client needs. It supports us to realize our client’s vision while remaining sustainable and contributing to the circular economy," they concluded.

Conclusion

Oka Architecture exemplifies how innovation and sustainability can shape the future of architecture. By leveraging 3D printing, they are pushing boundaries to design adaptable, efficient, and environmentally conscious structures. As the technology matures, its potential to transform the architectural industry becomes ever more promising.

Oka Architecture were one of the Finalists in the 3D Printing FGF Engineering Challenge. The jury team was impressed with their unique idea of incorporating large format additive manufacturing in applications that we see in our daily lives. 

About Mitsubishi Chemical Group Growth Garage

Growth Garage is the Open Innovation Hub of the Mitsubishi Chemical Group. Its mission is to support and develop new ideas and projects their using advanced manufacturing technologies and Specialty Materials, to help tackle some of today's biggest engineering challenges. Growth Garage is offering opportunities for engineers, innovators, and entrepreneurs from startups, scaleups and innovative companies to join the community and submit their ideas and projects through the open innovation programs. Successful applications will get exposure and access to Mitsubishi Chemical Group’s network of industry experts, Mitsubishi Chemical Group’s Corporate Venture Capital team and business partners to advance their ideas and projects.