
Planetary Engine and Gearbox STL Models
This collection gathers STL files for planetary gearboxes, engine components, and vehicle concepts that use them. You can compare how different authors approach gear reduction, housing, and assembly for 3D printing. It is useful when you need a starting point for a mechanical build or a themed display. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.
Il testo di questa raccolta è in inglese; la ricerca funziona in qualsiasi lingua.
Come è composta questa raccolta
Polyzon compone questa raccolta a partire dai risultati di ricerca dei siti collegati. I doppioni e i modelli senza anteprima vengono rimossi, le corrispondenze deboli finiscono in fondo e il resto mantiene l’ordine dei risultati. I modelli appartengono ai rispettivi autori: verifica le condizioni sulla pagina di ciascun modello.
Criteri di selezione a cura della redazione di Polyzon · Testo aggiornato: 11/10/2026
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Tutti i modelli di questa raccolta

Vacuum Engine With Planetary Gearbox
Print in Place Engine Benchmark - The Bengine
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Компонент реактивного двигателя; измеритель крутящего момента, планетарный редуктор

Planetary Gear MG996R servo engine gearbox

Steampunk car with chimney and large engine in the back (4) - Future Sci-Fi SF Post apocalyptic Tabletop Scifi Wargaming Planetary exploration RPG Terrain

Propfan Engine, Pusher Type using with Planetary Gearbox

Wandering the earth Planetary engine

Planetary engine GP 13 A

Wankel Engine (introduction to blocks, planetary gear)

Jet Engine Component ; Planetary Gear

Jet Engine Component; Torque Meter, Planetary Gear type

"The Orbiter" 140g direct dual drive Extruder with up to 10 kg pushing force

Steampunk motorcycle with curved handlebars and large central engine (5) - Future Sci-Fi SF Post apocalyptic Tabletop Scifi Wargaming Planetary exploration RPG Terrain

Compact vehicle with oversized rear barrels, reinforced frame, and exposed engine elements (3) - Future Sci-Fi SF Post apocalyptic Tabletop Scifi Wargaming Planetary exploration RPG Terrain

Thomas the Train Engine Face

Планетарный редуктор под 280 мотор

Thomas the tank engine

Планетарный редуктор для мотора RS380-2580

мотор редуктор планетарный

Print in Place Engine Benchmark - The Bengine

Tribute to the RB26 Engine (Fanmade Model)
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Thomas the Tank Engine - Thomas & Friends

Tribute to the 2JZ Engine (Fanmade Version)

Tribute to the legendary SR20 Engine (Fanmade)

Tribute to the RB26DETT engine plate / ornament

Detailed Thomas the Tank Engine Cookie Cutter

NEW TURBOFAN ENGINE (BIGGEST IN THE WORLD)
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Детализированный резак для печенья Thomas the Tank Engine

Planetary gearbox of the coaxial helicopter

The Power of Light, an Engine Piston Lamp

The Heron’s Quiet Engine - Self Starting Fountain

Build Your Own Jet Engine

The Diesel Engine Fuel Injector - Components & Assembly

The 7 Headed Wild Beast ( Planetary Gear Fidget Spinner )

Futuristic Eight-Wheel Truck with Rear Trailer and Mid-Engine (9) - Future Sci-Fi SF Post apocalyptic Tabletop Scifi Wargaming Planetary exploration RPG Terrain

Armored car with exposed engine, side-mounted weapons, and reinforced exterior panels (27) - Future Sci-Fi SF Post apocalyptic Tabletop Scifi Wargaming Planetary exploration RPG Terrain

Futuristic shelter in a vehicle carcass with thermal engine and observation point (1) - Future Sci-Fi SF Post apocalyptic Tabletop Scifi Wargaming Planetary exploration RPG Terrain

Armored vehicle with large wheels, reinforced front, and exposed engine components (1) - Future Sci-Fi SF Post apocalyptic Tabletop Scifi Wargaming Planetary exploration RPG Terrain

Jet Engine Component ; Planetary Gear, Modified Parts

Jet Engine Component : Planetary Gear

Tribute to the 4G63 Engine 1/5 Scale (Fanmade)

Twin Turbo Kit for the RB26 Engine Model

Large Thomas the Tank Engine - Thomas & Friends
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Большой автомобиль Thomas the Tank Engine - Thomas & Friends

Improved bases for the engine models
«Planetary Engine and Gearbox STL Models»
Planetary gearboxes appear both as standalone reducers and as parts inside larger engine models. Some files focus on the gear train itself, while others place it in a jet-style housing, a servo mount, or a vehicle body. The level of detail ranges from simple test pieces to complex assemblies with many separate components.
When choosing a model, look at the size and scale, the number of parts, whether supports are needed, and how the assembly fits together. Check the listed material and print settings, and review photos of real prints to judge clearances and moving parts. For gear trains, the tooth profile and tolerances matter more than the outer shape.
To refine your search, try related terms such as planetary reducer, gearbox, gear train, epicyclic drive, or engine component. You can also search for specific applications like servo mounts, jet engine parts, or sci-fi vehicle drivetrains. Combining a mechanism term with a vehicle or machine type often narrows the results.
Domande frequenti
What is a planetary engine in 3D printing?
What should I check before printing a planetary gearbox?
How do planetary gear models differ from simple gear models?
Do I need special tools to assemble these models?
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