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PC Case 3D Models for ATX, ITX and Open Frames

This collection gathers STL files for PC cases ranging from compact ITX cubes to open-frame ATX test benches and stackable NAS enclosures. You will find chassis for standard motherboard sizes alongside fan mounts and case feet to customize a build. Use it as a starting point when you want to prototype a case design 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.

このコレクションの本文は英語で書かれています。検索自体はどの言語でも使えます。

Polyzonのコレクション · モデル47件 6サイトから収集

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このコレクションは、Polyzonが対応サイトの検索結果をもとに作成しています。重複やプレビューのないモデルは除外し、関連性の低いものは後ろに回し、それ以外は検索結果の順に並べています。モデルの権利は各作者にあります。利用条件は各モデルのページでご確認ください。

選定基準：Polyzon編集部 · 本文の更新日：2026年10月9日

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«PC Case 3D Models for ATX, ITX and Open Frames»

The results include fully enclosed compact cases for Mini-ITX and mATX boards, open-frame test benches that expose components for easy access, and stackable NAS-style chassis designed for multiple drives. ATX options range from traditional tower layouts to modular frames that let you rearrange sections. You will also find smaller accessories such as 120 mm fan covers and decorative feet that attach to existing cases.

Before starting a print, check the author's page for the intended motherboard form factor and whether the design requires threaded inserts or machine screws for assembly. Look at photos of real prints to see how the parts fit together and whether the author recommends PETG or ABS for heat resistance near components. Verify the total volume and whether the model is split into printable sections that fit your build plate.

If you need a specific size, try synonyms such as "mini-ITX," "mATX" or "ATX tower," or add terms like "open frame," "stackable" and "NAS" to narrow the results. Searching for "case mod," "fan mount" or "chassis foot" will surface accessories instead of full enclosures. You can also combine the motherboard size with words like "vented" or "cube" to find layouts that match your cooling plan.

FAQ

よくある質問

What motherboard sizes do these 3D-printed PC cases support?
The collection includes designs labeled for Mini-ITX, mATX and ATX form factors. Always confirm the exact dimensions on the author's page, since clearances for CPU coolers and GPUs vary with each model.
Do open-frame cases cool better than enclosed ones?
Open-frame designs allow unrestricted airflow around components, but they also leave hardware exposed to dust. Enclosed cases often include vented panels or spots for 120 mm fans that direct air through specific paths.
What should I check before printing a PC case?
Review the number of parts, whether threaded inserts are needed, and the recommended material. Compare the listed dimensions against your 3D printer's build volume to be sure the largest piece fits.
Can I find accessories like fan mounts or case feet here?
Yes, alongside full chassis you will find add-ons such as 120 mm fan covers, decorative feet and modular brackets. These are useful when you want to modify an existing case rather than print an entire enclosure.
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