Sustainable Bench "HOTABENCH" Planned and Developed by TBWA HAKUHODO Relocated to Shorenjigawa Park in Konohana Ward, Osaka City
Following the closing of the Osaka-Kansai Expo, HOTABENCH, a sustainable bench made from upcycled scallop shells, has been relocated to a park in Osaka City as a legacy project.
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- 📰 Published: April 8, 2026 at 22:30
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TBWA HAKUHODO Inc. (Headquarters: Minato-ku, Tokyo; President & CEO: Wataru Uchida), in collaboration with Koushi Chemical Industry Co., Ltd. (Osaka City, Osaka; Representative Director: Aritsuka Nanbara) and Shimizu Corporation (Chuo-ku, Tokyo; President: Tatsuya Niimura), announced that "HOTABENCH," a sustainable bench shaped like a scallop shell, will be relocated to a park in Konohana Ward, Osaka City, following the closing of the Osaka-Kansai Expo. This is part of the "Expo Legacy Inheritance" initiative, aiming to continuously utilize the product—which presented the "future of resource circulation" to numerous visitors at the Expo venue—as a public asset for the local community.
During the Osaka-Kansai Expo, HOTABENCH was installed in the Future Life Village area, providing a place of relaxation for many people. With the closing of the Expo, future utilization methods were considered. As a result, it was decided to relocate it to Shorenjigawa Park—a symbol of overcoming environmental challenges—in Konohana Ward, Osaka City, the host ward of the Expo, with the objective of inheriting the Expo's legacy.
The Konohana Ward Office has been advancing the "Shorenjigawa Park Art Project konohana permanentale 100+," an initiative taking the opportunity of the Osaka-Kansai Expo and the 100th anniversary of the ward system to install over 100 public artworks befitting Shorenjigawa Park over many years, aiming to make it a park loved by many through the appeal of art. HOTABENCH will be utilized as one of these artworks.
■ Location of HOTABENCH Installation
Location: Shorenjigawa Park (Between Chidori Bridge and Morisu Bridge)
Address: 2-chome Denpo, Konohana-ku, Osaka City
■ About HOTABENCH
"HOTABENCH" is a sustainable product that reuses approximately 1,000 discarded shells (40kg) as an alternative material to sand. By utilizing mold-free 3D printing technology, it achieves a CO2 reduction of about 300kg compared to conventional concrete benches. Based on biomimicry, its special rib shape mimicking a scallop's structure and the deliberately left lamination marks beautifully embody the resource circulation created by nature.
During the Osaka-Kansai Expo, HOTABENCH was installed in the Future Life Village area, providing a place of relaxation for many people. With the closing of the Expo, future utilization methods were considered. As a result, it was decided to relocate it to Shorenjigawa Park—a symbol of overcoming environmental challenges—in Konohana Ward, Osaka City, the host ward of the Expo, with the objective of inheriting the Expo's legacy.
The Konohana Ward Office has been advancing the "Shorenjigawa Park Art Project konohana permanentale 100+," an initiative taking the opportunity of the Osaka-Kansai Expo and the 100th anniversary of the ward system to install over 100 public artworks befitting Shorenjigawa Park over many years, aiming to make it a park loved by many through the appeal of art. HOTABENCH will be utilized as one of these artworks.
■ Location of HOTABENCH Installation
Location: Shorenjigawa Park (Between Chidori Bridge and Morisu Bridge)
Address: 2-chome Denpo, Konohana-ku, Osaka City
■ About HOTABENCH
"HOTABENCH" is a sustainable product that reuses approximately 1,000 discarded shells (40kg) as an alternative material to sand. By utilizing mold-free 3D printing technology, it achieves a CO2 reduction of about 300kg compared to conventional concrete benches. Based on biomimicry, its special rib shape mimicking a scallop's structure and the deliberately left lamination marks beautifully embody the resource circulation created by nature.