While looking for something else, I found this interesting #REVIT solution.
https://forums.autodesk.com/t5/revit-architecture-forum/complex-sweep-and-railing-path/td-p/6523982
Hi guys, I’m making a rail whose path follows not only the flight of stairs but its edges get round at the corners in a continuous sweep. I spent hours to model it but couldn’t figure out a solution. Please find attached some photo for further clarity. I’d really appreciate any help to overcome …