FreePrusa XL Tool-changer Temp Tower (PETG)
Printables
33 model
Free
FreeMedusaHC V0.2 – Budget Hotend Toolchanger
Printables
FreeCustomizable Sign Workshop (MMU,Multicolor or Single color printer)
Printables
FreeMulti Use - Ender 3 Extruder Mount for 20mm extrusion
Thingiverse
FreeMulti Color Test Model for Single Extruder without MMU
Printables
FreeMulti-extruder derived from the Prusa Multi Material 2 upgrade.
Thingiverse
FreeMulti-extruder support for Ender 3
Thingiverse
FreeMulti-Color Custom Upgraded BMG Extruder
Printables
FreeMMX Multi-Material Extruder – Exclusive Final Release
Printables
FreePrusa Multi-Material Upgrade Bowden to Extruder Feed Adapter
Thingiverse
FreeSingle Extruder - Multi Color - Easter Eggs (Extra Twist)
Printables
FreeMy Silence - Multi Color Single Extruder
Printables
FreeSingle Extruder/Multi Part Rose (fusion360)
Printables
FreeR2D2 Google Home Mini (Multi-Extruder Remix)
Printables
FreeEnder 3 CR10S Multi Direct Drive Extruder with Tool Free Adjustment
Thingiverse
FreeAbducted Bigfoot \ Sasquatch Footprint Multi Color Single Extruder
Printables
FreeHow to multi color print on single extruder (Ender 3 + Cura)
Thingiverse
FreeArmy Signal Corp Logo (multi layer for single extruder)
Printables
FreeBowden to Direct Extruder Multi Material System
Thingiverse
FreePrusa i3 MK2 Multi Material - Extruder motor mount with increased tilt
Thingiverse
FreeAnet-A8 Multi functional extruder fan hinge + runout filament sensor + tooling support
Thingiverse
FreeJBs Bowden Multi Extruder for Prusa i3
Thingiverse
FreeLucky Extruder (Proper) Multi-Color
Thingiverse
FreePunisher Skull Flag Single Extruder Multi Color
Printables
Freehighly integrated BMG / E3D v6 extruder mount - multi-platform - CAD-files included
Thingiverse
FreePoop Emoji Door Hanger for Toilet Training– Multi-Color Single Extruder
Printables
FreeEveryone is an Extruder Sign MMU AMS (Multi Color)
Thingiverse
FreeLlama! (Multi-Extruder Remix)
Printables
FreeDreamcast swirl extruder indicator for Prusa MK3 (single & multi color MMU2)
Thingiverse
FreePrusa i3 Mk3 extruder base and cover for the MK2(S) multi-material
Thingiverse
Free@dwuk99: Sparse infill interlacing for improved inter section strength on multi extruder setups
Printables
FreeHE3D prusa i3 dual hotend mount
Printables
FreeN-Headed Multistruder (Plan A)
Thingiverse