工具与设备

1 1/4 to 1/2 Adapter STL Models for 3D Printing

This collection gathers STL models for 1 1/4 to 1/2 reducing adapters, hose barbs, threaded fittings, bit holders and bottle-cap adapters. It is useful when you need to connect mismatched parts or replace a broken fitting with a 3D printed piece. The models vary from simple one-piece adapters to multi-part assemblies. 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15日

查看合集 查看全部13578个模型 →
合集

从这里开始

合集中的全部模型

查看全部13578个模型
关于此分类

«1 1/4 to 1/2 Adapter STL Models for 3D Printing»

The main groups differ by interface. Hose barb reducers and splices use ribbed ends for flexible tubing, while threaded pipe adapters rely on matching thread profiles. Bit and tool adapters convert one drive shape to another, and bottle-cap adapters join containers to tubing or drip lines. Some designs are single pieces; others include nuts, unions or separate caps.

When choosing a model, check the author's page for the stated size and scale, the number of parts and assembly steps, and whether supports are needed. Look at the material and settings the author lists, plus photos of real prints. Threaded and barbed parts are sensitive to orientation and wall thickness, so a small change in scale can affect how they fit.

To refine the search, try synonyms such as reducer, reducing barb, pipe thread adapter, hose splice, square-to-hex adapter, or bottle cap adapter. Related topics include irrigation fittings, pneumatic connectors, tool bit holders, and replacement caps. Adding the interface type and the dimensions you need usually narrows the results faster than a single broad phrase.

FAQ

常见问题

What does a 1 1/4 to 1/2 adapter do?
It connects a larger opening to a smaller one, often for hose, pipe, or tool interfaces. The exact thread or barb profile matters more than the nominal size.
How do I choose between a hose barb and a threaded adapter?
Hose barbs grip flexible tubing, while threaded adapters join matching pipe or fitting threads. Check the author's model page for the interface type and dimensions.
What should I check before printing an adapter?
Review wall thickness, orientation, and whether the model needs supports. Also look at the material and settings the author lists and photos of real prints.
Can I scale an adapter model to fit another size?
Scaling changes both outer and inner dimensions, so threads and barbs may no longer match. It is better to find a model made for the size you need or adjust the source file carefully.
相关
工具与设备

Profile Cutting Jigs: 3D Models and STL Files

22100个模型
工具与设备

Mosquito Net Roller and Screen Parts: 3D Models

5380个模型
工具与设备

Gas Filling Adapter 3D Models and STL Files

7172个模型
工具与设备

Mechanical 3D Models: Figurines, Engines, Marble Runs

4385个模型
工具与设备

Bolt Gauge 3D Models and STL Measuring Tools

2850个模型
工具与设备

UAV Bracket 3D Models and STL Files

2401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