Eric Owen Moss leads a discussion with Lisa Iwamoto and Craig Scott about Voussoir Cloud, their installation in the SCI-Arc gallery. Engineering consultants Tom Reiner and Matthew Melnyk join a discussion of the structural aspects of the installation. The conversation touches on the properties of arches versus nets, precedents such as Antoni Gaudi and Frei Otto, as well as the materiality of the piece and the digital fabrication tools employed in its execution.