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Rotational Slices Enhancing Community Space with Sustainable Design

Author:
Walter Hughes
Rotational Slices Enhancing Community Space with Sustainable Design
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Rotational slices afford enhanced natural light and privacy while fostering community engagement in a multifamily residential setting.
5 key facts about this project
01
Rotational slices optimize natural light and privacy for residents.
02
Two horizontal corridors enhance spatial efficiency and reduce footprint.
03
Community spaces include dedicated rooms for childcare and social activities.
04
Solar energy systems power all common areas, increasing sustainability.
05
Rooftop urban farming fosters community engagement and green practices.

The Eco Slice House in Balboa Park, San Francisco, presents a modern approach to multifamily living. This project features a design that emphasizes modular housing, aiming to create diverse living arrangements while addressing the challenges of urban space. The architecture focuses on functionality and sustainability, making it a valuable addition to the community.

Modular Design and Flexibility

The core concept revolves around a basic modular unit. These units can be combined to form various configurations, allowing for flexibility. This design strategy accommodates different needs, offering everything from small studios to two-bedroom apartments. By enabling these diverse arrangements, the Eco Slice House can adapt to the varying lifestyles of its residents.

Spatial Efficiency

Spatial efficiency plays a significant role in the layout of the Eco Slice House. The design minimizes the space dedicated to hallways and circulation areas, setting it apart from traditional multifamily designs that typically include long corridors. With only two horizontal corridors serving a four-and-a-half-story building, the structure optimizes living space, allowing more room for the individual units, which enhances overall usability.

Community Integration

Community-oriented features are key to the design's success. The Eco Slice House includes spaces for social gatherings, a library, and facilities for childcare. By incorporating these elements, the design encourages residents to interact and engage with each other. The clear entry points improve the sense of arrival, while the combination of retail and residential spaces contributes to the vibrancy of the surrounding streets.

Sustainability Measures

Sustainability is woven into the fabric of the Eco Slice House. Solar energy systems power the common areas, promoting energy efficiency. Additionally, the building includes a rooftop designated for urban farming, providing opportunities for residents to connect with nature and engage in community gardening activities. This commitment to ecological practices enhances the overall quality of life.

The varied façade of the Eco Slice House offers a notable visual identity. Its thoughtful design adds depth and texture, contributing to both aesthetics and functionality while responding to the local climate conditions.

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Enter an open architecture
competition now

Kingspan MICROHOME 2026: Building Less to Create More

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Competition organisers

The Kingspan MICROHOME 2026 competition invites architects and designers worldwide to rethink small-scale living by creating an off-grid, modular micro dwelling under 25 m². Now in its 11th edition, the contest emphasizes sustainable, innovative, and human-centered design that demonstrates how compact living can have a big impact.

With a €100,000 prize fund, entries will be evaluated for originality, efficiency, and their response to contemporary environmental and social challenges. The competition is open to everyone, with submissions allowed individually or in teams of up to four. Registration closes on 30 September 2026, and winners will be announced on 15 December 2026.

By celebrating creativity within strict limits, MICROHOME 2026 continues to push the boundaries of compact architecture and sustainable living.

MICROHOME 2026

Design a new concept of small-scale home and share a prize fund of 100,000€

100,000 € Prize Fund / Kingpsan Edition #11 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 30 September 2026

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