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Helical Structure Embracing Hedera Ivy for Tranquil Meditation Space

Authors:
Ilgım Eroğlu, Semiha Kan
Helical Structure Embracing Hedera Ivy for Tranquil Meditation Space
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The innovative helix structure, wrapped in Hedera ivy for natural insulation, creates a serene environment for meditation, harmoniously integrating with its Riga setting.
5 key facts about this project
01
Helix walls enhance panoramic views while providing structural support.
02
Natural insulation is achieved through the incorporation of Hedera ivy.
03
The design includes a dry toilet for improved user privacy and health.
04
Rainwater is collected and filtered for sustainable water management.
05
A traditional kuzine serves multiple functions, including cooking and heating.

Helix Baltica is located in Riga and focuses on establishing a deep connection between its users and the natural landscape surrounding it. The design features a helix structure that balances functionality and serves as a space for meditation. The cabin is intended to integrate with nature rather than compete with it, allowing for a tranquil escape.

Design Concept
The distinctive helix-shaped walls play a vital role in the architecture. They offer structural support while providing expansive views that enhance the meditation experience. This unique form fosters openness, encouraging occupants to engage fully with the interior space and the environment outside.

Material Integration
One key element of the design is Hedera Helix Baltica, an evergreen ivy sourced from nearby forests. This ivy not only contributes to the visual charm of the cabin but also functions as an effective insulator, helping to regulate temperature. By including this vegetation, the design establishes a close relationship with the natural world, creating a feeling of connection between the inside and outside spaces.

Local Resources
The cabin incorporates Riga pine as a primary building material. Using locally sourced wood reflects an emphasis on regional resources and sustainability. The exterior surfaces are intentionally left unfinished, enhancing durability and fitting in with the natural surroundings. This choice also highlights the project’s commitment to an eco-friendly approach.

Functional Spaces
The interior layout is designed with user experience in mind, providing clear areas for meditation and sanitation. A dry toilet is positioned away from the meditation area and is separated by a sliding door for privacy. Natural light fills the space through large glass walls and a glass roof, allowing users to see outside while maintaining a sense of seclusion.

The design also addresses water management with a roof that collects rainwater. This system filters and stores the water, promoting sustainable practices and encouraging occupants to be mindful of their consumption.

Completing the design is the inclusion of a “kuzine,” a traditional heating and cooking appliance. It offers warmth and cooking capabilities while adding an element of aroma to the environment. This feature enriches the overall sensory experience and contributes to the cabin's functional character.

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The Buildner’s Unbuilt Award 2025: Celebrating Architectural Creativity and Visionary Unbuilt Designs with a Total Prize Fund of €100,000

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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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