Matthew Geller, Artist was commissioned by San Francisco Redevelopment Authority for a project at the Hunter Point Shipyard development.  Inspired by the WWII-era ship building structures in the bay, he created an assembly of components that consisted of a roof, three columns and a massive community swing suspended from three beams.  Metalab provided design optimization and construction management for this whimsical structure with structural engineering provided by Strandberg Engineers in California.  The structure was fabricated in Houston by Blumenthal Sheet Metal, hot dip galvanized and shipped to SF as a series of large assemblies to be erected in a few days on site.  The waffle-grid roof is parametrically designed to minimize weight and material.  The swing glides on four rods with universal joints, with an sweeping view of the bay bridge in the distance.