
3D Models for Motors and Motor Mounts (STL)
This collection gathers 3D models built around motors: mounts and brackets, wheels and shaft adapters, engine models and small motorized mechanisms. It is useful when you already have a motor on the bench and need a part that fits it, or when you want to plan a build before starting 3D printing. Many entries are designed for common small gearmotors, so the shaft diameter and fixing holes decide whether a file is worth opening. 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 15/10/2026
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Todos os modelos desta coleção

Moteur courant continu avec moto-reducteur MFA

3d Printed Air Raid Siren - Works with drone motors and an ATTINY

Double Tires for N20 Motors (or anything with a 3mm D-Shaft)

Tribute to the legendary SR20 Engine (Fanmade)

motor

CD-Rom Motor Pump

Big Wheels for N20 Motors (or anything with a 3mm D-Shaft)

Motorized TurboProp Engine Model

Mate Motor

Drone - FireFlo v2

Project - Ansel V2 (PTZ) - discontinued motors :(

Motorhalter für K20A Motormodell von Danko_Creates

L6发动机模型

motorized 9 cylinder radial engine

air engine

Mendocino Motor from MAKE vol. 31

Motorized Iron-Man Mark 39 "Starboost" by Walsh3D

motor

Motor Retainer Set for 29mm Rocket Motors

Manual/ Motorized Hilbert Curve Marble run (Moore)

Motor V12 Locomotive

Hovership MHQ - Foldable Mini H-Quadcopter

Screw Sorting Machine | Motor or by Hand | Modular

Motor
Ender 3 / Ender 2 / Creality CR-10 Extruder Knob

Anpassbares Namenspuzzle für Kinder (no AMS)

Motor Fan

RepRap Wallace

Servo Claw Machine

Case para Motor Eletrico / Case for Electric Motor (K1....)
Rolling Crank Extruder Knob Creality Ender 3 / Ender 3 Pro / Cr-10

Blower fan 5000rpm

electric bike amyet G60

Marvin Mk1 - Walleye

Panda Knomi for A1 & A1 Mini X-Axis motor cover

moto
NEMA 17 Damper/Spacer - FlexiSMART

Bambulab AMS internal hub motor mount replacement

Adaptador para moto reductor de carrito montable

MakerBot Stepstruder MK6

360˚ Rotating Marble Run - Enclosed with Lights

Associated RC8B4.1e Fanmount Motorlüfter upgr. 2-motormounts

KBK ROBOT ARM

LTS Respooler Pro - Motorized Filament Winder
«3D Models for Motors and Motor Mounts (STL)»
The most common group is mounting hardware: plates, clamps and brackets that hold a motor in place inside a frame or housing. Next come drive parts such as wheels, hubs and adapters that slide onto a shaft, often a small D-shaped one. A third group is representational: engine models, some of them motorized, where the motor drives a crank, fan or propeller rather than a vehicle.
When choosing a file, read the author's notes first. Check the stated motor size and shaft shape, the number of separate parts and how they join, and whether the model needs supports or a particular orientation on the bed. Material and settings matter too: parts that take torque benefit from a higher wall count and infill, while thin decorative shells can be printed lighter. Photos of real prints show how the assembly behaves better than a render does.
To widen the search, try the terms people use for the same idea: gearmotor, N20, D-shaft, hub, coupling, adapter, bracket, mount, or the name of the device the motor belongs to. Related topics include robotics chassis parts, RC and drone frames, camera gimbals and pan-tilt heads, and mechanical models with cranks or propellers. Combining a motor term with a function word, such as pump, fan or turntable, usually narrows results faster than a single broad word.
Perguntas frequentes
How do I find a mount for a specific motor?
Do motorized models need special print settings?
What does D-shaft mean in these files?
Can I use these models for a robot or RC project?
Todas as categorias de modelos 3D
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