This is a small case for the minidsp.com mic array. I have printed with transparent filament, so you can see the light ring. The top plate of the case, has 5mm space to the pub for best sound quality. To combine the parts you need 4 m3 (20mm) screws. I habe glued a small metal plate in the case, like the streamlink. https://www.minidsp.com/products/usb-audio-interface/uma-8-microphone-array