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PC 3D Models and STL Files for Case Mods

This collection gathers 3D models that go inside and around a desktop computer: fan mounts, dust filters, cable combs, GPU supports, bay blanks and case panels. Most of them are small parts that are hard to buy separately, so a 3D printer becomes a practical way to make them. The set also includes open test benches and a few accessories that sit next to the machine. 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6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13日

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«PC 3D Models and STL Files for Case Mods»

The parts differ by role. Cooling items such as fan brackets, adapters and dust filters deal with airflow and mounting points. Cable combs, GPU supports and similar brackets hold components in place inside the chassis. Panels, bay blanks and button guards change the outside of the case or protect it, while test benches replace the case entirely for a build that is meant to be opened often.

When choosing a model, read the author's page rather than the thumbnail. Check the stated dimensions and screw spacing against your own hardware, the number of separate parts and how they join, and whether the author lists supports. Material and settings matter for thin clips and for parts near heat; photos of real prints show how the surfaces and tolerances came out.

To widen the search, try synonyms and related terms: computer, desktop, ATX, mATX, mini-ITX, chassis, fan mount, grommet, standoff, shroud. Related topics include keyboard and mouse accessories, sim-rig frames, monitor stands and small desk organizers, which often use the same fasteners and panel sizes.

FAQ

常见问题

What kind of PC parts are usually printed at home?
Small brackets, fan adapters, dust filters, cable combs, GPU supports and bay blanks are common, because they are simple shapes that are awkward to source separately. Larger panels and full cases are possible too, but they need a bigger build volume.
How do I know a printed bracket will line up with my case?
Compare the dimensions and hole spacing on the model page with your own measurements before printing. If the author shows the part mounted in a real build, that gives a clearer idea of how it sits.
Which material works for parts inside a case?
Authors usually state a material and settings on the model page, and those notes are the starting point. Parts close to heat or under constant load are usually printed in a stiffer filament, while clips that need to bend are made from a more flexible one.
Can I search for a specific fan size or bay type?
Yes. Add the size or standard to the query, for example a fan diameter, a drive bay format or a motherboard form factor. Combining that with a part name such as bracket, filter or adapter narrows the results quickly.
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