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Folding Shell Structure in Fibre Reinforced Concrete for Efficient Micro Living

Authors:
Pejman Barzandeh, Soheila Ahmadian
Folding Shell Structure in Fibre Reinforced Concrete for Efficient Micro Living
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The innovative folding shell structure crafted from fibre reinforced concrete redefines compact living by maximizing spatial efficiency and environmental integration in a modern microhome.
5 key facts about this project
01
Unique folding shell structure allows for adaptable interior configurations.
02
Constructed from fibre reinforced concrete for enhanced durability and efficiency.
03
Elevations designed for optimal natural light and airflow throughout the space.
04
Compact footprint supports sustainable living in a limited residential area.
05
Entrance dimension promotes accessibility while connecting interior and exterior seamlessly.

The microhome project is a contemporary design located in Sweden, intended to meet modern housing needs through a small and functional living space. The design emphasizes efficiency and adaptability, carefully integrating with the local environment. By maximizing natural light and airflow, the microhome creates a comfortable and livable atmosphere while showcasing a modern aesthetic.

Design Concept

The layout consists of three distinct levels: the roof level at +3.400, the first floor level at +2.100, and the ground level at +0.000. This vertical arrangement organizes interior spaces effectively, allowing occupants to connect with the landscape, enhancing both views and daylight access. The elevations, particularly the North and West facades, highlight visual symmetry, contributing to a consistent exterior appearance.

Structural Innovation

A key feature is the folding shell structure, which measures 1.88 m, 3.61 m, 0.46 m, and 2.30 m. This innovative shape provides flexibility for different spatial arrangements, addressing various living needs. The folding shell design not only adds a unique character but also suggests improved energy efficiency, as its form may help with thermal regulation and environmental performance.

Material Application

Fibre reinforced concrete is chosen for its versatility and lightweight nature. This material allows for thinner sections without compromising strength. By using custom molds in the casting process, the project achieves a specific architectural form that aligns with the vision of modern residential design.

Entrance Design

The entrance, which measures 1.50 m, serves as a welcoming point between the outside and the home’s interior. This thoughtful design enhances accessibility while reinforcing the connection with the surrounding environment. Such attention to detail shows a commitment to creating a user-friendly living space that focuses on comfort and practicality.

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Enter an open architecture
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MICROHOME 2026
MICROHOME 2026
100,000 € Prize Fund / Kingpsan Edition #11
The Next House: USA
The Next House: USA
20,000 USD Prize
Buildner's Unbuilt Award 2026
Buildner's Unbuilt Award 2026
100,000€ Prize / 2026

The Next House: USA — A Global Call to Reimagine the American Suburb

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Competition organisers

Buildner is launching The Next House: USA, a global architecture competition that challenges architects, designers, and thinkers to reimagine the American suburban home for the 21st century. For decades, the suburban house has symbolized comfort and stability, but today it often reflects excess, isolation, and environmental strain. This competition asks: how can the American home evolve to address climate urgency, economic pressures, and shifting social values?

Participants are tasked with designing a prototype home of no more than 1,500 sq ft (≈140 m²) for a household of two adults and one child. The design should be compact yet generous, adaptable, sustainable, affordable, and replicable across diverse U.S. contexts. More than a design exercise, the competition aims to spark a conversation about how homes can support healthier, smarter, and more connected communities.

The total prize fund is $20,000 USD. The final registration deadline is May 20, 2026, and winners will be announced on September 22, 2026. The Next House: USA invites architects, students, and visionaries worldwide to redefine what the American home means today—and what it should mean tomorrow.

The Next House: USA

Design the next suburban home for the USA

20,000 USD Prize ideas COMPETITION
Prize Monetary award
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