Need help putting the finishing touches on logo

[ComicMaster138]

I’m making a simpl. Chinese logo for Steven universe. How do I recreate the 3d-like purple streaks from the Steven Universe logo?

[KIN]

if need exact match Trace It … otherwise use 3d in Illustrator …

[ComicMaster138]

I decide to just hand draw it.
https://www.artstation.com/artwork/LRvP5K