Mumbo Jumbo built a similar concept on Hermitcraft using trap doors. There is a revolution going on called "buildstone", using redstone to create aesthetics

Mumbot 2.0 https://www.youtube.com/watch?v=uUzU8HnjBI4&t=1108s

Grian made an animated waterfall with dispensers, snow particles, and potioned arrows: https://www.youtube.com/watch?v=gGPS8hURZks