
Crank Mechanisms and Hand-Crank 3D Models
This collection gathers crank-based 3D models, from simple handles to gear-driven mechanisms and mechanical toys. It helps you find parts for repairs, interactive builds, and small machines. Many entries are designed for 3D printing, so you can inspect the geometry before choosing a file. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.
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Auswahlregeln: Polyzon-Redaktion · Text aktualisiert: 14.10.2026
Für den Einstieg
Alle Modelle dieser Sammlung

Flying Helicopter Toy - Spring Powered

Air Raid Siren - hand crank version

Zen Garden with Crank Handle

Print-in-Place Marble Run

Mechanical principles Toy I (Rotary piston mechanism)

28mm Crank

Hand Crank for the Pastamatic

MECHANICAL CAROUSEL - GEARS TOY
Smartphone Photo Studio for #3DBenchy and tiny stuff

Crank Remix for the Bambu Re-Spooler by Miklos Kiszely

沙滩玩具——手摇甜筒钻钻机

Card shuffler
Window Crank Handle for Volkswagen

Shimano Hollowtech II crank cap installation/removal hand tool

Hand-Crank Breeze Fan

Air Raid Siren - Hand Crank Version

replacement car window crank

Shimano Crank Cap Tool

Aero Road Bike Snap-Fit Model

Engine Piston Mechanical Principle Toy
Piston Crank Tag

Hand crank centrifuge

Walking man

Torture toaster

Water Droplet Kinetic Sculpture

hex hand crank

Handbetriebene Luftschutzsirene

CRANCK CONNECTING KINEMATICS ASSEMBLY - ROD MECHANISM
workmate handle & crank replacement

Crank for Z Axis Rod - Ender 3

V6 Engine Beer Display with Rotating Crankshaft

MECHANICAL CONVEYOR

Foldable z-stage crank

SRAM X1 MOUNTAIN BIKE CRANK BOOT

Hand Bubble Machine

Variable Pitch Propeller Mechanism

Crank Boot for mountain bike cranks

SCUBA DIVING REEL - WITH HANDLE/CRANK

Squeeze Fan - POCKET SIZE

Handle for Z-crank

Slider-Crank Linkage (Cookie Clicker irl cheat code)

Ferris Wheel

机械手
«Crank Mechanisms and Hand-Crank 3D Models»
Crank models range from standalone handles and caps to gear trains, rotary mechanisms, and hand-cranked toys. Some are replacement parts shaped around a specific fitting, while others are open mechanisms meant to be turned by hand. Window cranks, tool handles, and decorative crank assemblies appear alongside playful mechanical builds.
Before printing, check the model page for scale, part count, and assembly order. Look at whether the author lists supports, layer height, material, and tolerances for moving joints. Photos of completed prints can show how the crank fits and whether the mechanism turns as intended.
To narrow results, try synonyms such as handle, lever, winch, gear, and rotary mechanism. Related searches include hand crank, crank handle, crank arm, and mechanical toy. Combining a mechanism term with a use case, like window, tool, or toy, can separate functional parts from decorative builds.
Häufige Fragen
What counts as a crank model in 3D printing?
How do hand cranks differ from gear cranks?
What should I check before printing a moving crank mechanism?
Can crank models be scaled up or down?
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