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Cor-Ten Steel and Modular Design Integrate in a Triangular Residential Structure

Authors:
Maria Alexandra Ghica, Dragos Bucurescu, Cintiana Maria Barbuleanu, Silviu Daniel Arnautu
Cor-Ten Steel and Modular Design Integrate in a Triangular Residential Structure
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With a distinctive triangular configuration and modular construction of Cor-Ten steel, the design creates adaptable residential space that emphasizes natural light and flexibility in living arrangements.
5 key facts about this project
01
Modular units allow for easy expansion and customization based on user needs.
02
The central triangular light well enhances natural lighting throughout the living spaces.
03
Cor-Ten steel develops a unique patina, contributing to the structure's visual character over time.
04
Each module maintains precise dimensions for efficient construction and integration.
05
Elevating the structure by 50 centimeters improves interaction with the surrounding landscape.

The design features a modular configuration based on geometric principles, particularly the triangle, within a contemporary residential setting. It is adaptable, meeting the needs of modern living while maintaining stability and visual appeal. Each component is thoughtfully integrated, resulting in a space that balances practicality with aesthetic coherence.

Concept and Geometry

At the foundation of the design is a modular system that employs shipment containers as the primary building blocks. These containers can be arranged in various ways, allowing for customization according to the user’s preferences. The arrangement includes three main modules that revolve around a central triangular light well. This element acts as a focal point, enhancing the feel of the space by allowing natural light to filter in and uplifting the overall atmosphere.

Materiality

Key to the design is the choice of materials, particularly the use of Cor-Ten steel sheet. This material, consisting of copper, chromium, nickel, and phosphorus, is known for its durability and resistance to corrosion. As it ages, the steel develops a unique patina that adds character to the structure. This feature not only contributes to its visual interest but also reduces the need for maintenance, supporting the design's sustainable approach.

Spatial Dynamics

The layout consists of modules measuring 2.44 by 6.06 meters, leading to larger configurations of 4.88 by 6.06 meters with a total height of 3.10 meters. Positioned 50 centimeters above the ground, the structure connects effectively with its surroundings, enhancing the interplay between indoor and outdoor spaces. The design creates a complex exterior that interacts with natural light, adding depth and richness to the experience within.

A notable aspect of the design is the triangular light well, which separates private night spaces from open day areas. This well invites light into the home, creating warmth and openness throughout. The careful combination of geometry, modularity, and material choice culminates in a structure that reflects a well-considered approach to contemporary living.

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

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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.

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