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Spherical Structure Emphasizing Thermal Performance with Clay and Glass Integration

Spherical Structure Emphasizing Thermal Performance with Clay and Glass Integration
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A dome-shaped structure utilizing locally sourced clay and expansive glass elements optimizes natural light and ventilation, creating a seamless interaction between indoor and outdoor environments for residential living.
5 key facts about this project
01
Dome structure optimizes natural ventilation and light through strategic openings.
02
Local clay bricks provide thermal mass, enhancing energy efficiency.
03
Central indoor garden integrates biophilic design principles for improved well-being.
04
Geometric shape reduces wind load while maximizing spatial harmony.
05
Large glass panels create strong connections to the surrounding landscape.

# Abóboda Architectural Design Report

## Overview
Located at the Tropic of Capricorn in Brazil, Abóboda is a residential structure designed to harmonize with its natural surroundings while emphasizing the intelligent use of light and space. The design, characterized by a domed geometric form, is informed by local climatic conditions and cultural contexts, facilitating an effective interaction between indoor and outdoor environments.

## Material Selection and Sustainability
The material choices for Abóboda underscore a commitment to sustainability and aesthetic harmony. Clay bricks sourced from local materials enhance thermal mass and ensure the building integrates with its environment. The use of glass permits natural light to illuminate interior spaces while maintaining visual connectivity with the outdoor landscape. Additionally, the incorporation of vegetation not only enhances the aesthetic quality of the interiors but also contributes to improved air quality and aligns with principles of biophilic design.

## Spatial Organization and Experience
The internal configuration of Abóboda promotes a fluid transition between spaces, encouraging interaction with both the built environment and nature. The living room is strategically positioned to capture evening light, fostering communal activities within a warm, inviting setting. The layout of the kitchen and dining area aligns with the path of the sun, offering culinary experiences enriched by views of greenery. A central indoor garden serves to reinforce the connection between the interior and exterior, contributing to the overall ecological performance of the structure and enhancing occupant comfort through natural air purification and increased biodiversity.

By emphasizing passive environmental strategies, the design optimizes natural ventilation and minimizes energy consumption, demonstrating a progressive approach to contemporary architecture grounded in ecological responsibility.

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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.

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Design the next suburban home for the USA

20,000 USD Prize ideas COMPETITION
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Eligibility Open to all
Early bird registration deadline 19 November 2025

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