物品

Keychain and STEM 3D Models: STL Files to Browse

This collection gathers keychain models that use a stem, post, or switch as a central element. It covers fidget switches, stem removers, flower charms, and science-themed tags. Browse the STL files to find shapes that fit a keyring or a small 3D printing project. 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 · 48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1649个模型 →
合集

从这里开始

合集中的全部模型

查看全部1649个模型
关于此分类

«Keychain and STEM 3D Models: STL Files to Browse»

The models range from switch-based fidget pieces and keycap charms to small stem removers, flower charms, and science-themed tags. Some are single-part prints, while others combine a body, a moving switch, or a removable insert. Cases and badge mounts often include a separate file for the main shape, so the parts can be adjusted before printing.

When choosing a model, check the listed dimensions, the number of parts, and whether the author shows supports or assembly steps. Look at the material and settings the author lists, and compare them with what your 3D printer uses. Photos of real prints help you judge scale and wall thickness, especially for small keyring loops and thin stems.

To narrow the search, try terms such as keyring, charm, fidget, switch, stem remover, or badge. Related topics include keycap toys, desk fidgets, plant markers, and small tool holders. Adding a format name like STL or STEP can separate model files from reference images.

FAQ

常见问题

What does stem mean in keychain models?
It can refer to a post that connects a charm to a ring, a plant stem in a floral design, or a tool tip for removing a stem. The model page usually makes the meaning clear.
How can a keychain size be checked before printing?
Look at the ring hole diameter, overall length, and thickness listed by the author. A small test print can show whether the loop fits a keyring.
How can a STEP file be edited before printing?
STEP files are often shared so the shape can be changed in CAD software. Check the author's notes for which parts are meant to be modified.
What should be checked on a switch fidget keychain?
Look at the moving part, the clearance around it, and how the two halves join. The author's photos and notes usually show the assembly order.
相关
物品

Keychain STL Models for 3D Printing

2074个模型
玩具与手办

Keychain 3D Models and STL Files for 3D Printing

246289个模型
数码配件

Keychain STL Models: Print-in-Place, Characters, Tools

2730656个模型
物品

BMW Keychain 3D Models and STL Files to Print

2636个模型
物品

Car Keychain 3D Models and STL Files to Print

11081个模型
物品

Mazda Keychain 3D Models and STL Files

1595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