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Arduino Mega 3D Models: Cases, Mounts and STL Files

This collection gathers 3D models made around the Arduino Mega board: enclosures, mounting brackets, rail mounts, holders and a few combined kits. Most of them exist because a bare board is awkward to fix inside a project, and a printed part solves that with a couple of hours on a 3D printer. The files are grouped by what they do rather than by author, so you can compare shapes before downloading an STL. 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。

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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12日

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«Arduino Mega 3D Models: Cases, Mounts and STL Files»

The parts fall into a few recognizable groups. Enclosures wrap the board in a closed or partly open box, often with cutouts for USB and power connectors. Brackets and rail mounts leave the board exposed and only fix it to a surface or a profile. Holders and trays support a breadboard or a prototyping board next to the controller, while combined kits bundle room for shields, drivers or a display.

When you pick a model, start with the board revision it was drawn around, because connector positions and hole spacing differ between versions. Then look at how the part is meant to be fastened: screw bosses, clips, rails or standoffs, and whether the author shows the hardware used. Check the wall thickness and the openings for cables, whether the geometry needs supports, and what material and settings the author lists. Photos of real prints on the model page tell you more than a render.

If the results feel narrow, try other words for the same object: housing, box, tray, cradle, bracket, rail mount, panel plate. Related searches help too, such as shield stacks, display cutouts, prototyping boards, driver modules or general electronics enclosures. Adding a board revision or a mounting standard to the query usually narrows the list faster than scrolling.

FAQ

よくある質問

How do I know a model fits my board revision?
Check the notes on the model page: many parts are drawn around one revision, and hole positions or connector cutouts can shift between them. If the revision is not stated, compare the outline in the photos with your own board.
Do these parts need support material?
It depends on how the model is oriented. Flat bases and open frames usually print without supports, while overhanging clips and closed tops may need them. The author's page often states the intended orientation.
Which material is used for enclosures like these?
Common choices are rigid filaments for boxes and slightly more flexible ones for clips. The model page usually lists the material and settings the author used, which is a better starting point than guessing.
Can I scale a case up or down?
Scaling changes hole diameters, clearances and clip tension, so a scaled part may no longer fit the board or the screws. Looking for a variant drawn for your board size is usually the safer route.
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