Creating a spiral staircase is one thing but adding a railing does require a little bit more effort than usual. I use the same array modifier and empty object on the railing so there's no need for extra clutter in your scene.
All of this is done as quickly as possible! Check out the playlist if you're interested in more 3D models, I'll be updating it as I publish more videos.
Quick Modeling Playlist: https://www.youtube.com/playlist?list=PLt2cPhikqsqhLw-8Z18C0ng2C5YichL2q
Let me know if I did anything wrong! There's always room for improvement!
