38 model
FreeExtruder Gear Clock - True 12:1 Ratio
Thingiverse
FreeExtruder Mount (Printrbot Gear Head)
Thingiverse
FreeExtruder Gear Case (Bondtech)
Thingiverse
FreeExtruder Gear Case (for Bondtech)
Thingiverse
FreeExtruder Gear Case (Printrbot Gear Head)
Thingiverse
FreeExtruder Gear Case (Printrbot Gear Head)
Thingiverse
FreeTank Extruder Mount (RigidBot, E3Dv6, Printrbot Gear Head)
Thingiverse
FreeC Extruder for MK8 gear and J-head
Thingiverse
FreeEnder 3 Extruder Gear - Imperial edition
Thingiverse
FreeRemote Direct Extruder with Bondtech Gears (30:1 Gear Ratio)
Thingiverse
FreeCompact Bowden Extruder, 1.75mm Filament for MK7 Drive Gear
Thingiverse
FreeRemote & Direct Drive Extruder with dual drive gear-set V2
Thingiverse
FreeUnified Prusa i3 Extruder for Mk8 drive gear, e3d v6 hotend, and BLTouch sensor.
Thingiverse
FreeDirect Drive extruder rework for MK7 Gear, E3D v6 head
Thingiverse
FreeCompact Bowden Extruder MK8 drive gear IR gate
Thingiverse
Free3Dator Bowden Extruder MK8 gear (M6 fitting)
Thingiverse
Freekuro's geared bowden extruder (mk7/mk8, 1.75/3mm, instant locker, gear cleaning brush)
Thingiverse
FreeLotar's Dual Gear Extruder
Thingiverse
Freeprusa i3 direct drive extruder for e3d hotend and mk8 drive gear
Thingiverse
Freecompact bevel geared extruder for mk8 hobbed filament gear V4 UPDATED 13th July 2015
Thingiverse
FreeQU-BD OneUp/TwoUp Extruder Body (E3D+Anubis+MK8 Drive Gear)
Thingiverse
FreeDUAL GEAR EXTRUDER
Thingiverse
FreeXAS Worm Gear Extruder Adapter for MK8 extruder
Thingiverse
FreeParametric Herringbone Gear Set for Huxley extruder #30DoC
Thingiverse
FreeOlde Timey Spur Gear for Printrbot Extruder
Thingiverse
FreeEnder 3 v2 Direct Drive Extruder Mount for dual gear
Thingiverse
FreeEnder 3 V2 - Filament Guide for Dual Gear Extruder
Thingiverse
FreeNovaPro V4 - Flex Shaft Driven Dual Feed Gear Extruder
Thingiverse
FreeEnder 3 V2 Direct Drive For CR-10 Dual Gear Extruder
Thingiverse
FreeEnder 3 / Pro / CR-10 Direct Drive for Aluminium Dual Gear Extruder (Remix)
Thingiverse
FreeFlexible filament guide for MP Select Mini w/Anycubic Mk8 extruder modified w/OEM gear & flat bearing
Thingiverse
FreeCreality CR-6 SE Filament Runout Sensor Riser for Dual Gear Extruder
Thingiverse
FreePowerless Nema 17 Upgrading Power With MK8 Gear Extruder
Thingiverse
FreeCable Holder for Ender 3 Pro with Redrex Dual Gear Extruder
Thingiverse
FreeBTT smart filament sensor mount for Ender 3 Pro with dual gear extruder
Thingiverse
FreeEZOut v2 Filament Sensor Mount for Ender 3/Pro w/ Dual Gear Extruder
Thingiverse
FreeUltimaker 2 extruderhead top closing
Thingiverse
FreeCTC,Makerbot,Replicator, Duplicator X-Axis Y-Axis and Extrudercarriage
Thingiverse