Casa Bola by Eduardo Longo at Aberto5

_presented by Kohler

_project: Casa Bola
_architecture: Eduardo Longo
_location: São Paulo, Brazil

Cities are often built through repetition. Blocks, towers, corridors, façades, and floor plans tend to follow the logic of efficiency, producing environments that are practical, measurable, and predictable. Yet, every now and then, architecture interrupts this order with a gesture that feels almost impossible. A house becomes a question: how else could we live? What forms might emerge if domestic space were imagined through curiosity, play, and the desire to escape the heaviness of the everyday?

In São Paulo, Casa Bola stands as one of those rare provocations. Designed by Eduardo Longo in the 1970s and built between 1974 and 1979, the spherical dwelling was conceived as a prototype for a lighter and more flexible way of living. With an eight-meter diameter and a ferrocement structure, it was placed above the architect’s own office and imagined as a housing module that could, in theory, be replicated or transported.

Its curved geometry proposes a different relationship between body and space. Walls no longer behave as rigid limits, and the domestic interior unfolds as a continuous environment, almost atmospheric in character. The absence of corners softens perception, inviting movement, pause, and adaptation. Inside, daily life is shaped by compactness, invention, and a sense of spatial freedom that remains strikingly contemporary.

The renewed public presence of the house adds another layer to its history. Opening to visitors as part of ABERTO5, from March 7 to May 31, 2026, the project becomes an active setting for contemporary art and design. Works by Brazilian and international artists respond to its geometry, history, and utopian spirit, transforming the house into a living exhibition.

In this context, Kohler’s presence inside the space feels like a careful dialogue with a radical architectural experiment. The brand enters a domestic environment that has always challenged the boundaries between function, imagination, and daily life. Through this encounter, design inhabits architecture as an extension of its original ambition: to rethink the rituals, objects, and gestures that define the way we live.

Casa Bola reminds us that the future is not always found in what is new. Sometimes, it waits inside an old experiment, still asking questions that contemporary architecture has not yet fully answered.

_article written by Daniela Moreira da Silva
_images courtesy of Kohler