Is this 3D model free to download?

Yes, Improved Koss Porta Pro MMCX mod is free to download from Printables. Click the "Download STL" button to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Printables. Click the "Download free STL" button on this page to open the original listing and grab the file.

Designed by Evelien, published on Printables. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

Improved Koss Porta Pro MMCX mod

Source: Printables by Evelien

The Improved Koss Porta Pro MMCX mod is a free printable 3D model from Printables by Evelien. Another MMCX mod for KOSS Porta Pro. You can download the STL file from the original listing below and print it at home.

Download free STL Get free app

30 saves Source: Printables Updated 2026-05-06

Tags: headphones, koss, portapro, mmcx

About this model

Another MMCX mod for KOSS Porta Pro. This one is low profile, tries not to limit tilt as much as other designs.

Frequently asked questions

Is this 3D model free to download?: Yes. Improved Koss Porta Pro MMCX mod is free to download from Printables. Click the "Download free STL" button above to open the original listing.
Where is the STL hosted?: The download is hosted by Printables, not by Thinger. We link you directly to the original listing by Evelien.
Who made this model?: Designed by Evelien, published on Printables. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.

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