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Floating Solar Lanterns Crafted From Polyethylene in a Community-Focused Public Space

Author:
Laura Raspanti
Floating Solar Lanterns Crafted From Polyethylene in a Community-Focused Public Space

Project in-detail

Crafted from durable polyethylene, the floating solar lanterns illuminate the tidal landscape of Hiroshima, fostering community engagement and serving as a reflective public space.
5 key facts about this project
01
Floating lanterns adapt to tidal changes, enhancing user interaction with the environment.
02
Each lantern operates on solar energy, promoting sustainability within the design.
03
The polyethylene construction ensures durability while remaining lightweight and buoyant.
04
Seating areas are strategically placed to facilitate community gatherings and reflection.
05
Cultural symbolism is embedded in the design, resonating with local traditions of guiding souls.
The Tōhaku project is an innovative architectural design located in Hiroshima, Japan, that seamlessly integrates environmental consciousness with cultural significance. This project utilizes floating lanterns, known as SEAwinks, which provide both illumination and a symbolic representation of guiding souls. The design encapsulates a unique blend of functionality and community engagement, fostering a space that resonates with both local traditions and the natural surrounding environment.

The primary function of the Tōhaku project is to serve as a contemplative public space that encourages visitor interaction with both the physical landscape and the cultural narratives of the region. The lanterns float on the water, adapting to tidal changes, and creating a visual interplay of light and reflection. This feature not only enhances the aesthetic quality of the beach area but also invites individuals to participate actively in the experience, allowing them to reposition lanterns and engage in personal reflection or communal gathering.

Unique Design Approaches

What sets the Tōhaku project apart from similar architectural endeavors is its deep engagement with local cultural practices. The design draws inspiration from traditional Japanese lantern rituals, specifically those associated with the Nagashi Matsuri festival. By channeling these cultural elements, the project creates a poignant connection between visitors and the local environment.

The incorporation of materials such as polyethylene for the lanterns ensures durability while maintaining a lightweight structure. Additionally, the use of photovoltaic panels to power the lanterns exemplifies a commitment to sustainability, reducing reliance on conventional energy sources and highlighting the project’s environmental ethos. The thoughtful placement of concrete seating along the beachfront provides functional spaces for visitors, facilitating gatherings and interactions within the community.

Spatial Relationships and Community Engagement

The architectural design of the Tōhaku project emphasizes a harmonious relationship between built elements and the natural landscape. The flexible cables supporting the SEAwinks allow the lanterns to flow with the tides, highlighting the dynamic interaction between architecture and nature. This design strategy promotes an engaging experience for visitors, who can interact with the lanterns based on changing water levels.

The project fosters social interaction by providing an inviting space for reflection and connection among individuals. It encourages a range of activities, from quiet contemplation to group gatherings, reinforcing the role of architecture as a facilitator of community engagement. The alignment of the project with cultural symbols, such as the nearby torii gate, adds an additional layer of meaning, intertwining architectural design with local heritage.

To explore the architectural plans, sections, designs, and ideas of the Tōhaku project further, readers are encouraged to delve into the project presentation, where detailed insights into its innovative approach and cultural significance can be uncovered.
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MICROHOME
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100,000 € Prize Fund / Kingpsan Edition #10
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Architecture for Children’s Development #3
Buildner's Unbuilt Award 2025
Buildner's Unbuilt Award 2025
100,000€ Prize / 2025

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

Competition organisers

The 10th edition of the MICROHOME architecture competition invites architects and designers from around the world to explore the possibilities of compact, sustainable living. Hosted by Buildner in collaboration with Kingspan and Hapi Homes, this special edition challenges participants to design an off-grid, modular microhome for a young professional couple, with a maximum floor area of 25 m². Designs should prioritize innovation, efficiency, and real-world feasibility. 

A total prize fund of 100,000 € will be awarded, including three main prizes, the Kingspan Award, and the Hapi Homes Award, which will grant 15,000 € and lead to the construction of the selected design. The final registration deadline is September 25, 2025, and winners will be announced on Decebmer 9, 2025. For full competition details and submission guidelines, visit microhome.info.

Microhome

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

100,000 € PRIZE FUND / KINGPSAN EDITION #10 IDEAS COMPETITION
Prize 100,000 € + Potential realisation
Eligibility Open to all
Early bird registration deadline 22 May 2025
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