This is a holder to attach Fiio BTR5 Bluetooth amp to AKG headphones. Comes with two different attachments, one for K240 and another for K712. Those are the models I've tested this with but should fit other models with similar headbands too.
The amp will hold the attachments in place but if you plan on clipping it in and out of the holder it's recommended to glue them in.
attachment_blank.stl | 106.9KB | |
attachment_K240.stl | 527.6KB | |
attachment_k712.stl | 182.7KB | |
attachment_zipties.stl | 118.6KB | |
BTR5_Holder.stl | 653.6KB |