Beyerdynamic Slider Cover Replacement Kit for DT 790 / DT 797 / DT 770 / DT 770 PRO / DT 770 PRO HT / DT 880 / DT 880 PRO / DT 880 PRO HT / DT 990 / DT 990 PRO / HS 200 Dyn / HS 200 Rotor / HS 200 Trend / HS 400 headphones. It's 3D printed from high quality PLA plastic and is much more durable than original Beyerdynamic parts. Kit is compatible with original Beyerdynamic screws, please note it's only cover, not slider mechanism. You get 2 or 4 plastic parts. depending you choose only one side or both.

The 3D model design of these parts is made by Thingiverse user Quixotic and is listed under Creative Commons license, which allows commercial usage.