#回收PLA

Nine Voices from Recycled PLA: Ninefold Turns 3D-Printing Scrap into a Sound Field That Shifts as You Walk Through It

An architect, a percussionist-composer, and a materials researcher teamed up to 3D-print nine resonant forms from discarded lab PLA — each tuned to a different frequency, so the soundscape you hear shifts depending on where you stand.