KOSS Porta Pro case
thingiverse
I saw some case for my headphones here, but I wanted something a bit smaller and easier to open, so I made my own.
Download Model from thingiverse
With this file you will be able to print KOSS Porta Pro case with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on KOSS Porta Pro case.