My own design, though I’m sure I took inspiration from somewhere. I cut the brass using my Nomad CNC mill. Engrave on the details, cuts for the shapes. 3 pieces total (2 walnut sandwiching 1 brass).
I may end up remaking this because I am unhappy with the finish on the brass. I think I need to do some polishing before glue up next time, but my wife is happy with it as is.
Quarter for scale: