Its a Ki ring (sorry for the pun its not original I'm sure)

Print the raised version as a colour layer change or the 3mf with your colour changer.

Think a 0.25mm Nozzle 0.1mm Layers may be best for the small details, There is a 30 upscaled version for better detial

Ki Kanji by 

chris 論, Public domain, via Wikimedia Commons