
Unique Gear 3D Models and STL Files for Printing
This collection gathers unique gear 3D models and STL files for mechanical parts, toys, and decorative mechanisms. You can compare gear shapes, sizes, and assembly needs before opening a model page. It is useful when you want a starting point for 3D printing projects that involve moving parts. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.
O texto desta coleção está em inglês; a busca funciona em qualquer idioma.
Como esta coleção é montada
O Polyzon monta esta coleção a partir dos resultados de busca dos sites conectados. Repetições e modelos sem prévia são removidos, correspondências fracas vão para o final e o restante segue a ordem da busca. Os modelos pertencem aos seus autores — confira os termos na página de cada modelo.
Regras de seleção: equipe editorial do Polyzon · Texto atualizado em 12/10/2026
Comece por aqui
Todos os modelos desta coleção

Backpacking Whistle - Extremely Loud

HG 1:144 Functional Gundam Unicorn Beam Magnum

GEARBOX

Earphone Guys!

布鲁可变形金刚宇宙大帝头雕

Gear shift fidget toy V2

Marvellous Shift Knob

独角兽发箍头饰,老婆孩子大尺寸,猫咪小狗小尺寸

Gearshift Keychain

Harmonic Drive

EUC Adjustable Power Pads

шестерня привода спидометра Volkswagen lt-28

Backpacking Whistle - Extremely Loud - Remix

2026黄金龙马精神

Cube Gear Fidget Toy
Sand Spirograph

可爱独角兽(分盘,无需AMS)

Шестерня редуктора Weissgauff Weissgauff WKM 791 MPT

DeskOrbe v2.0 (Fully Functional Mechanical Desk Toy)

马上有钱

vites topuzu

Key Fob / 3D Demo Print - Interlocking rotating gears

Unicorn headband

VW Transporter 5-Speed Gear Knob Cover Plate replacement

Gyroscopic Gimbal Mount for Emmett's Cube Gear

Tiefling Costume Horns

Hourglass Gear Fidget Toy

D-Track mobile robot

Cute Unicorn

NSU Prima Engine Cover Lock Mechanism (4-Part Replica)

Hazmat Guys (32mm and 15mm)

Balloon Unicorn & Llama Figures – Decorative Home

Gear for the Kreiss Jeep children's car gearbox OC-JP-088
B'Struder: Universal Bowden 1.75mm Extruder

Rockicorn - Unicorn with the rocks face

Sequential Gearbox 5 Speed Motorcycle Transmission

Predator Action Pliers 7 Color Remix!

Mini Unicorn

5-Gear Fidget Spinner

Planetary Gear Fidget Toy

Unicorn themed cat helmet!

Infinite Gear Cube

Magnetic Gear

Decorative Horseshoe (plus Shoenicorn)

iz 350cc speedometer gear
«Unique Gear 3D Models and STL Files for Printing»
The collection covers several gear-related families: gearboxes and transmission parts, shift knobs and control handles, fidget toys and keychains, and spirograph or drawing gear sets. They differ by scale, number of moving parts, and whether the model is meant as a functional mechanism, a toy, or a decorative piece. Some models focus on a single gear, while others combine several parts into an assembly.
When choosing a model, check the size and scale, the number of parts, and whether assembly is required. Look at the author's notes on supports, material, and print settings, and review photos of real prints to judge clearances and surface finish. For gears, pay attention to tooth profile, axle diameter, and the gap between meshing parts.
To refine the search, try synonyms such as cog, gearwheel, pinion, gearbox, or transmission. Related topics include mechanical toys, fidget spinners, keychains, and drawing tools. Combining a gear term with a use case, like shift knob or spirograph, can narrow the results to a specific type of model.
Perguntas frequentes
What should I check before printing a gear model?
Can I scale a gear model up or down?
Do gear models need supports?
How do I find related models?
Todas as categorias de modelos 3D
O catálogo completo de temas — de casa e utilidades a CNC, com busca em todos os sites conectados.








