The Julian Street Inn – Shelter for Homeless: Lacework concrete trusses with curved members shot in the air – Photographs of mock-up depicting its design process
3) Inserting styrofoam fillers to shape the truss voids

Six photographs of a scale mock-up of an early version of concrete truss, experimenting with the construction of the truss formwork and reinforcement, using styrofoam for making the voids of the concrete truss.