A robust command of symmetry mixed with a degree of playfulness helped bring 20th century Danish architecture to an international audience (Jørn Utzon’s Sydney Opera House, for example).

A Sarasota School of Architecture-designed Siesta Key home is hitting the market. The Ness House, a 4,006-square-foot home at 7647 Sanderling Road, is listed for $5.3 million.