Untitled by Oyler Wu Collaborative   Eero Saarinen’s interest  in Euclidean geometries, contrasts between solids and voids, and tectonics informs Oyler Wu’s design, which uses three canopies at the Irwin Conference Center—legacies of  the building’s history  as a drive-up bank—to  create a self-contained complex of solid and semipermeable walls.  Photo 4 of 9 in Exhibit Columbus: A New Era of Celebrating Design