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Prusa Parts & Upgrades

Compact MMU3 Buffer (with optional dry-box)

by Kiwibloke · Prusa Parts & Upgrades

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A compact filament buffer that has the option to keep buffered filament somewhat drier than the default.

drybox buffer compact mmu3

Category

Prusa Parts & Upgrades

Source

Printables

Published

25.02.2026

Updated

25.02.2026

What you need to print this: Beginner Low confidence

Why?

2 colors

Single piece 2 colors / AMS

Supports 1/3

Assembly 0/3

Settings 1/3

Bed size 0/3

Post-process 0/3

Printer

FDM / FFF

File format

STL

Material

Colors

2 (AMS/MMU recommended)

Software

Cura, PrusaSlicer, or similar

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