I really did not anticipate acoustics to matter, yet perforation patterns, backing materials

https://telegra.ph/The-Reality-in-the-Patina-Why-Customized-Finials-in-Copper-Are-the-Engineers-Time-Tested-Selection-07-03

I really did not anticipate acoustics to matter, yet opening patterns, backing materials, and panel depths in steel ceilings tame echo while keeping crisp, modern lines.