工具与设备

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.

本合集的文字为英文，搜索本身支持任何语言。

Polyzon合集 · 46个模型 来自4个平台

合集是如何整理的

此合集由Polyzon根据已接入平台的搜索结果整理而成：去除重复项和没有预览图的模型，匹配度低的排在最后，其余按搜索结果顺序排列。模型归作者所有——请在各模型页面查看使用条款。

筛选规则：Polyzon编辑部 · 文字更新于2026年10月14日

查看合集 查看全部11246个模型 →
合集

从这里开始

合集中的全部模型

查看全部11246个模型
关于此分类

«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.

FAQ

常见问题

What counts as a crank model in 3D printing?
A crank model is any printable part built around a rotating handle, arm, or axle. It can be a standalone handle, a gear-driven mechanism, or a toy that turns when you rotate the crank.
How do hand cranks differ from gear cranks?
Hand cranks usually transfer motion directly from a grip to a shaft or fitting. Gear cranks add toothed parts, so they change speed, direction, or torque and need more attention to clearances.
What should I check before printing a moving crank mechanism?
Review the author's notes for scale, part count, assembly order, and joint tolerances. Check whether supports are needed and which material and settings the author lists.
Can crank models be scaled up or down?
Scaling changes wall thickness, pin sizes, and clearances, so a working mechanism may stop turning if resized. Check the model page for any scale notes and test the fit before printing the full set.
相关
工具与设备

NEMA 17 3D Models: STL Mounts and Gearboxes

15205个模型
工具与设备

3D Models for Pullers: Keycap, Cable and Zipper STL Files

15549个模型
工具与设备

Bombarda Fishing Floats: 3D Models and STL Files

1931988个模型
工具与设备

9-Blade Impeller 3D Models and STL Files

2810个模型
工具与设备

Soldering Iron and Plastic Welding STL Models

7131个模型
工具与设备

Makita Battery Adapters and Cases for 3D Printing

42277个模型

全部3D模型分类

完整的主题目录：从家居日用到CNC，均可在已接入的来源平台中搜索。

查看分类目录