物品

Nipple Cap STL Models for 3D Printing

This collection gathers STL models for small caps that protect nipples and fittings. You will find covers for paintball tank fill valves, grease points, and hydraulic bleeder screws. The files help replace lost or worn caps on a 3D printer. 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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Polyzon合集 · 48个模型 来自7个平台

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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11日

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«Nipple Cap STL Models for 3D Printing»

Caps in this collection fall into several groups: paintball tank fill covers, grease fitting covers, hydraulic brake bleeder caps, and dust caps for air tanks and regulators. They differ by thread size, cap depth, and how they stay in place, such as friction fit, a tether, or a small tool. Some models are plain covers, while others include a removal aid or an organizer.

When choosing a model, check the dimensions and thread pitch listed by the author, along with the wall thickness and overall height. Look at the material and print settings the author notes, and whether the model needs supports or a particular orientation. Photos of real prints can show how the cap sits on the nipple and whether the opening matches your fitting.

To refine a search, try synonyms such as dust cap, cover, plug, protector, or fitting cover. Related topics include paintball tank valves, grease guns, hydraulic brake calipers, air rifles, and beverage machine fittings. Combining a use case with a shape or attachment style often narrows the results to caps that match your equipment.

FAQ

常见问题

What is a nipple cap used for?
It covers a small valve or fitting to keep out dust, dirt, and debris. On paintball tanks, grease points, and brake bleeders, the cap sits over the exposed nipple when the line or tool is disconnected.
How do I pick the right size for a nipple cap?
Measure the outer diameter and thread pitch of the nipple, then compare those values with the dimensions on the model page. If the author lists a specific fitting type, use that as a starting point.
Which filament should I use for these caps?
Rigid filaments are common for simple dust covers, while flexible filaments are often chosen for caps that need to grip or seal. Check the author's material notes and any photos of printed parts.
Can I resize a model to fit a different nipple?
Resizing changes wall thickness and thread engagement, so it may not work for every cap. Look for a version made for your dimensions or check the model page for scale notes.
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