Sasuke Uchiha’s version features six "tomoe" (comma-like marks) within the ripples, indicating a fusion of Rinnegan and Sharingan powers.
Beyond the anime, the Rinnegan symbol is a popular motif for fans and can be found in various forms: Why is the Rinnegan purple instead of red? - Facebook rinnegan-symbol
The symbol consists of a spreading over the eyeball, typically with a light purple iris and sclera. This pattern signifies the cycle of reincarnation and the wielder’s god-like ability to control life and death. rinnegan-symbol
While the standard purple ripple is common, several variations exist with unique visual properties: rinnegan-symbol