A press-fit damper which uses the bambulab rubber damper. Printet mine in PETG, but I guess PLA would work just fine too.
4x PrusaMiniRubberDamper
1x PrusaMiniDamperControlboard
I bought mine from Aliexpress:
https://www.aliexpress.com/item/1005006054403476.html
The author marked this model as their own original creation.