Abstract: A multipurpose structure is disclosed as comprising a plurality of housing units, and a core support building of eliptical shape. The building has an exterior curved surface disposed forwardly for supporting the residential housing units and an essentially flat, exterior surface disposed rearwardly of the curved support surface. Inside the building, there is a plurality of floors for housing ancillary activities of the residents of the housing units. Access is provided from each of the floors to each of those housing units associated with the floor.