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    Koss KSC75 Foldable Headband & Travel Case

    UPDATE - 2026:

    New: Comfort Strap (print with TPU)

    New: Sliders re-adjusted for 5 pressure levels

    Removed: Parts for 1.4mm screws (they are still available in the Archive.zip file if you want)

    This is a headband, inspired by Sennheiser PX100, can be folded and size adjusted. It's designed primarly for KSC75 but can be used with the following headphones.

    You need four "M2x6mm" screws for assembly. Assembly video is here: https://www.youtube.com/watch?v=hnkBxcISuqg

    There are is also a travel case you an print.

    You'll find the recommended STL files in the download. There's also “Customizations.zip” that allow you to download customized versions of the files, such as sliders that provide lower/higher pressure on the ears, a longer comfort strap or KSC75 pins that fit tighter to the drivers. .

    ==== PARTS TO PRINT ====

    Main Parts

    [1] Print the Arch and the Arms.

    • Arch.stl

    • Arm-Left.stl

    • Arm-Right.stl

    [2] Print 2 of the sliders. The recommended version is the “Low Pressure” version, but check “Customizations.stl” for higher/lower pressure options.

    • Slider - 2 - Low Pressure.stl

    [3] Finally, print two housings.

    • Housing (x2)

    [4] (Optional) - Print the Comfort Strap out of TPU. The headband works just as well without the comfort strap, so this is optional.

    • Comfort Strap (TPU).stl

    To attach KSC75 cans to the headband

    Print 2 pins. The recommended version is "Pin-KSC75-Tight.stl", but there are 2 other versions under "Customizations" that make an even tighter fit to the drivers.

    • Pin-KSC75-Tight (x2)

    To attach MoonDrop Old Fashioned cans to the headband

    Print two adapter pins from the remix here

    https://www.thingiverse.com/thing:7286403

    • Pin-MoonDrop-OldFashioned.stl (x2)

    To move your Sennheiser PX100 drivers into the headband

    Print the cups from the remix here

    https://makerworld.com/en/models/1357114-px100-cups-for-custom-headband

    • PX100 Outer Cap Left
    • PX100 Outer Cap Right
    • PX100 Inner Cap (x2)

    For the travel case

    • Case Hinged Version Bottom
    • Case Hinged Version Top
    • Case Hinged Version Plugs (x2)
      (you also need a piece of filament to put into the hinge)

    Printing Configuration:

    Headband Main Parts

    Arch, Arms and Sliders. Printed at 0.2 mm layer height with some tree supports.

    Headband Small Parts

    Housings and KSC75 pins. Printed at 0.08 mm layer height.

    Comfort Strap (TPU)

    The comfort strap, printed at 0.2 mm layer height with TPU