The file 'Sennheiser HD660s Wireless Mod Feat. FiiO BTR3k 3D Printer Model' is (stl,f3z) file type, size is 14.5MB.
3D printed cups for HD 660s (also works with HD600, 580x, 6xx, 650 etc.) to make them wireless using FiiO BTR3K bluetooth dongle.
HD600_BTR3K_wireless_mod.stl | 2.1MB | |
HD600_open-back_cup.stl | 2.0MB | |
HD600_open-back_cups__BTR3K_wireless_mod.f3z | 12.7MB |