Is this 3D model free to download?

Yes, MMU2S buffer is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by mar_jer, published on Thingiverse. 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.

MMU2S buffer 3D printable model by mar_jer

MMU2S buffer

Source: Thingiverse by mar_jer

The MMU2S buffer is a free printable 3D model from Thingiverse by mar_jer. A GAMMA of final slot version, this is an update for people, who have printed the BETA, they can just keep dividers and bottom and print new parts. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

98 saves Source: Thingiverse Updated 2026-11-04 License: CC-BY-NC-SA · non-commercial 2 makes Category: 3D Printer

Tags: filament buffer, mmu, mmu2s, prusa i3, slot

About this model

A GAMMA of final slot version, this is an update for people, who have printed the BETA, they can just keep dividers and bottom and print new parts. But they can then choose from tube 4mm version and fitting version like Festo QSM-M5 witch have 8 mm spanner size. Or they can keep just the dividers and print new version of slot buffer and use the fitting PC4-M6. FINAL SLOT VERSION LINK - GAMMA: There are two versions of SLOTS, version for normal 4mm tube and version for fitting Festo QSM-M5. There are 3 versions of Slot handle, normal one, second with vertical hole for filament and third with horizontal hole for filament ( designed by Juergen G. ) , use the one you like. Dividers are printed with amazing Prusaslicer 2.1 modifiers witch works like a charm. There is a configuration file for Pr…

Frequently asked questions

Is this 3D model free to download?: Yes. MMU2S buffer is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by mar_jer.
Who made this model?: Designed by mar_jer, published on Thingiverse. 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.