About 3x6 acrylic case

[Leftclickgoesbrrrr]

I just got my Corne pcb today and it works perfectly.

I wanna keep it 3x6 but I don't know where could I get a 3x6 acrylic case.

I'm sorry if there was already a post about this, I'm a newbie here, can't find anything about the 3x6 case...