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Cocoon-Shaped Etfe Structures and Reclaimed Timber Form a Sustainable Urban Hub

Authors:
Daniel Prado, Alexander James Doerr, Argoitz Ruiz De Gauna Itza, Riny Meilany Surya
Cocoon-Shaped Etfe Structures and Reclaimed Timber Form a Sustainable Urban Hub
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Cocoon-like structures composed of ETFE and reclaimed timber create an eco-conscious, multifunctional space that serves as a vibrant hub for fashion and community engagement.
5 key facts about this project
01
Cocoon-like forms integrate ETFE panels for optimal natural lighting and ventilation.
02
Reclaimed timber is used in both structure and interior design, enhancing sustainability.
03
A central plaza facilitates fashion events, promoting cultural exchange and community interaction.
04
The innovative bent A-frame design maximizes spatial efficiency while creating visual interest.
05
Strategic green spaces throughout enhance biodiversity and provide natural habitats.

## Project Overview

Located in Bangkok, Thailand, "The Silk Route" serves as a novel architectural concept that merges functionality with cultural relevance. The design reflects the historical significance of the silk trade, utilizing modern architectural principles to create a dynamic environment for fashion and art. The intent is to cultivate a community-focused space that emphasizes interaction and connectivity while paying homage to the intricate networks established by this ancient trade.

## Spatial Strategy

The layout is intentionally designed to inspire exploration and engagement, with a carefully planned flow that encourages visitors to navigate through various levels. Public areas and boutique spaces are interspersed throughout, promoting social interaction and a sense of community. The organization reflects the interconnected nature of weaving, mirroring the seamless transitions found along historical trade routes.

## Materiality and Sustainability

The material selection emphasizes ecological consciousness and visual impact. Laminated reclaimed timber serves as a primary structural element, while semi-transparent ETFE panels enhance natural light distribution within the space. Extensive use of wood in interior areas provides warmth, and glass storefronts foster a relationship between the interior and external environments. Fabric-like materials contribute to the lightweight visual appeal of the structure. Sustainability is further prioritized through the incorporation of natural ventilation systems and well-placed green spaces, reinforcing a commitment to environmentally responsible design.

Distinct architectural features, such as the cocoon structures and the central forum for fashion events, are integral to the project. These elements enhance functionality while fostering a vibrant atmosphere for cultural exchange and community engagement. The thoughtful integration of ramps and open passages also reflects a commitment to accessibility, ensuring that the space is welcoming to all visitors.

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Competition organisers

The Buildner’s Unbuilt Award 2025 is an international architecture competition dedicated to recognizing and celebrating the value of unrealized architectural designs. It invites architects, designers, and students worldwide to submit visionary projects that have not yet been constructed, highlighting the power of ideas and the creativity behind the design process. By focusing on unbuilt work, the competition aims to bring forward concepts that shape the future of architecture and push the boundaries of the profession. 

Participants can compete in three categories based on project scale: Small Wonders (up to 100 m²), Medium Marvels (101–999 m²), and Large Visions (over 1,000 m²). Each category winner will receive €20,000, and additional prizes include honorable mentions, student awards, and a special Best Presentation Award. Winning projects will gain significant international exposure through Buildner’s publicity campaign and a feature article on ArchDaily, providing a unique opportunity to showcase creative ideas to a global audience. 

The Buildner’s Unbuilt Award 2025 encourages entrants to submit any type of unbuilt project, from conceptual visions to detailed designs, celebrating bold innovation without the constraints of realization. Important deadlines: registration closes on October 30, 2025; submissions are due by November 20, 2025; winners will be announced on December 17, 2025.

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Celebrating your unbuilt architecture visions with a €100,000 prize

100,000€ Prize / 2025 ideas COMPETITION
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