It's made using a tinkercad, and it just sticks in the column and it doesn't flow down.
Share the Tinker Cad address. Modify and share as much as you want.
Share the Tinker Cad address. Modify and share as much as you want.
https://www.tinkercad.com/things/59rCz9p20Bc
The author hasn't provided the model origin yet.