@mattblaze@federate.social Very interesting. It reminds me of some of the railing work at the Marin County Civic Center, which was designed by Frank Lloyd Wright. Closeup photo here:
https://www.hmdb.org/PhotoFullSize.asp?PhotoID=116336
Other similar railing work can be seen on photo 3 on this page (which includes the context for the above photo) along with many other interesting design elements: