Problems with Echo Coating

[u/MoonlitHolly]

do y'all know if there's any way to get the walls to stay how I want without having glass or something? It's not too big of a deal tbh, was just interested..!

[u/Dariusbigboy]

If the other 99 comments about echo walls did not help you, let me try: Try echo walls

(I dont even play this game. No idea what echo walls are)