
3D Models of Gears, Gearboxes and Lens Caps
This collection gathers STL files for gears, planetary sets, gearboxes, rear lens caps, and gear-themed decor. It helps you find mechanical parts and accessories for 3D printing without sorting through unrelated results. Check each model page for scale, part count, and assembly details. 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: 15/10/2026
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Tutti i modelli di questa raccolta

Gearbox 7.7-1 Ratio

Sphere (Planetary) Gears v.2

Polar bear with christmas cap - Christmas decor

Cyber Van - VW Combi - Cyberbrick - RC

GEARBOX

Mini Boxer Man - Mechanical Gear Toy

Rear lens cap for Canon EOS EF and EF-S lenses

Steampunk Gear Decor Pack

Planetary Gearset Hub

Vehicle Resilience Dice For Star Wars Legion Game

Canon EOS RF Rear Lens Cap

Modular Planetary Gear with Swappable Planet Gears

Gear box v2

Hyperbolic Planetary Gearset

Rear lens cap for Canon EF

Tariff Tracker

GearFlow Engine

Delta Elite 3D Printable Quadcopter Frame

X Mount rear lens cap Fujifilm XF

Top Gear Test Track Map

4-Gear Fidget Spinner

Spirograph Remix for little Kids

Nikon Z Rear Lens Cap

Yet Another Fidget Infinity Cube v2

reduction gear box (5_75 to 1)

Kyosho Mclaren 12C Display Base

Rear wiper cap for Skoda Fabia

FidgetCore *FULLY PARAMETRIC!!* (EDITABLE)

Sequential Gearbox 5 Speed Motorcycle Transmission

Mad Max Fury Road - Shifter Skull

Rear lens cap for Pentax K-mount

A1/A1 Mini Screw Map Organizer Holder for Extruder

gearbox 27 - 1 mechanism

B2D Extruder - Strong and Silent Bowden Extruder

New Fuji X Mount Rear Lens Cap

Hot Spot Topographic Tray – Bar&Utility Organizer

Ball Gear Fidget Toy

Sig Sauer Mag Holder / Streamlight / 18650 flashlight holder

Manta M4P Ender 3 Pro Rear Case

Skadis Map Holder

5-speed training gear shifter

Batman Shin Guards

Rear lens cap for Sony E-mount (No Text)

Bouton MAP pour Scooter PIAGGIO 1

Planetary Gear Box 2 Sets 1:36 Reduction
«3D Models of Gears, Gearboxes and Lens Caps»
The gear models range from simple spur gears to planetary assemblies with multiple planet gears. Gearboxes often include housings and shafts, while rear lens caps are small, circular parts with specific mounting details. Decorative items use gear shapes in ornaments, toys, or map-based designs.
Before printing, check the model page for dimensions, number of parts, and whether supports are needed. The author may list material recommendations, layer height, and infill, along with photos of real prints. For mechanical parts, verify tolerances and clearances so the gears mesh as intended.
To narrow results, try synonyms such as cog, pinion, or gear train, and combine them with terms like planetary, reduction, or hub. Related topics include camera accessories, mechanical toys, and topographic maps. Adding a material or printer type can also filter the list.
Domande frequenti
What kinds of gear models are in this collection?
How do I choose a planetary gear model?
What should I check before printing a rear lens cap?
How can I find gear-themed decor or map models?
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