The piers are positioned on the central axis of each side, intentionally leaving the corners open and "floating".
The Sky House is famous for its —prefabricated, replaceable units that allowed the house to grow and change over time. SKY House
When Kikutake's children were born, additional rooms (sub-cells) were suspended from the concrete slab, occupying the space below the house. The piers are positioned on the central axis
A continuous exterior balcony (engawa) wraps around the central space, blurring the line between the interior and the city. Kikutake Kiyonuri - ResearchGate
While the 1958 Tokyo project is the most historically significant, the name "Sky House" has inspired several modern architectural projects that share its themes of openness and connection to the horizon: (PDF) Sky House, Kikutake Kiyonuri - ResearchGate