FreeSennheiser HD5xx Qudelix-5k Mount
Printables
18 model
Free
FreeHd6xx Hd58x Jubilee Closed Back
Thingiverse
FreeSennheiser HD58X driver cover
Printables
FreeSennheiser HD6xx replacement headphone covers
Printables
FreeSennheiser HD600 / HDxxx - closed back mod
Printables
FreeSennheiser HD650/HD6XX Massdrop Minimic Clamp Ring
Printables
FreeCapra audio Satyr 4 (also probably HD6XX series) earcup rings, in case your pads did not come with any
Printables
FreeCapra Headband v1
Printables
Free6x0 Hex Grilles
Printables
FreeSENNHEISER 6X0 BOTTOM RING/SOCKET
Printables
FreeSennpyrean
Printables
FreeSENNHEISER 6X0 CUP RING
Printables
Free6x0 Meze Mod
Printables
FreeSennheiser HD600 series earpad adapter ring
Printables
FreeSENNHEISER 58X PLANAR MOD
Printables
FreeDust cover for Sennheiser Headphones
Printables
FreeYet Another Hidden Headphone Hanger ( YAHHH ) V2 Big headphones friendly
Printables
FreeSENNHEISER 6X0 CUP RING MOD (Honeycomb)
Printables