This was inspired by something I saw in a random tv show. It was a ceramic candle holder so I thought I would see if I could make something similar for an electric tea light. This is what I came up with. The walls are about 0.6 mm thick to allow for light to show through and be contrasted by the rings.
I used a 0.6 nozzle at 0.2 layer height to print the example
The author marked this model as their own original creation.