203 model
$4,50Hand-Crank Spur Gearbox - Printable Gear Mechanism (STL + STEP)
Cults3D
FreeRC GearBox Double motor 550 gear metal
Thingiverse
FreeGearBox Keychain with third gear (Remix)
Thingiverse
FreeNema gearbox belted reduction simple Tronxy Stepper gear
Thingiverse
FreePlanetary Gearbox – Print-in-Place Fidget (No Supports)
Printables
$10,12Working Car Drivetrain Model - 4-Speed + Reverse Gearbox, H-Shifter, Bevel Open Differential
Cults3D
FreeGearbox for 8 motors
Thingiverse
FreePlanetary Gearbox 4:1 Stackable
Thingiverse
FreePlanetary gearbox for bowden extruder
Thingiverse
FreeGearbox (Ratio 1:2187)
Thingiverse
FreeHypocycloid gearbox for Nema 14/17
Thingiverse
FreeMetal GearBox motor 550 - 3650
Thingiverse
FreePlanetary gearbox extruder 1.75mm
Thingiverse
FreeEpicyclic gearbox 25:1
Thingiverse
FreeWarm Gearbox
Sketchfab
FreeGearbox 545 550 555
Thingiverse
Free900w gearbox (6x 775dc motors)
Thingiverse
FreeGearbox (Planetary)
Sketchfab
FreeHelical Gearbox
Thingiverse
FreeStepper Gearbox
Thingiverse
FreeGearBox motor 180
Thingiverse
FreeGearBox for 3D print
Sketchfab
FreeGearbox / 正齒輪變速箱
Thingiverse
Freegearbox T8 1/24 3teeth - Vis sans fin axe diam 8
Thingiverse
FreeGearbox
Thingiverse
FreeMini Gearbox with Shell Housing
Printables
FreeAuto gearbox handle
Sketchfab
$2,81Industrial Reduction Gearbox Transmission, Mechanical Cog Drive Shaft, Factory Machinery Engine, Grimdark Sci-Fi Scatter Terrain
Cults3D
$1,69ModuGear - 3D Printable Planetary Gearbox (Ratio 6:1)
Cults3D
FreePlanetary gearbox 5:1
Thingiverse
$2,82Scifi Industrial Mechanical Gearbox Unit
Cults3D
Free125:1 triple-belt gearbox for Dobsonian drives (HTD 3M 80T/16T, NEMA 17, adjustable belt tension)
Cults3D
Free~1 Trillion to 1 Gearbox - Printable Mechanical Gear Reduction Toy
Cults3D
FreeGears and gearbox
Sketchfab
$4,221:14 Tamiya Gearbox housing
Cults3D
$9,01Porsche Transmission Gearbox Actuator Motor Pinion Gear Z23 (23 Teeth)
Cults3D
FreeCompact planetary gearbox
Thingiverse
FreeNema 17 Gearbox 1-3
Printables
FreeKitchenAid Mixer Gearbox gasket
Printables
FreeBowTie Pulleybox / Gearbox
Printables
FreeDissolvable Support Gearbox
Thingiverse
FreeParametric Planetary Gearbox - Openscad
Thingiverse
FreeMagnetic fridge gearbox
Printables
FreeNema 17 Gearbox "Pulleybox" Mod for Extruder
Printables
FreeNema 17 Gearbox "Pulleybox" Mod for Extruder
Thingiverse
FreeDemon skull gearbox handle
Thingiverse
Free1:4 Gearbox (2-Stage)
Thingiverse
FreePET Puller Gearbox (based on PETamentor2 SS)
Thingiverse