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Heltec T114 and 18650 3D Models: Cases and Holders

This collection gathers STL files built around the Heltec T114 board and the 18650 lithium cell: board enclosures, battery holders, storage boxes and multi-cell carriers. It is useful for 3D printing a mesh node housing or a simple way to keep loose cells organised. The models range from minimal shells to cases that leave space for a GPS module, a switch or a small keyboard. 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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選定基準：Polyzon編集部 · 本文の更新日：2026年10月13日

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«Heltec T114 and 18650 3D Models: Cases and Holders»

The models fall into a few groups. Board enclosures are shaped around the T114 and one cell, sometimes with a cutout for an antenna or a display. Other cases add room for a GPS module, a switch or a small keyboard, which makes them taller and wider. Separate from these are plain holders, trays, spacer grids and storage boxes for 18650 cells, plus multi-cell carriers used in larger battery packs.

Before printing, compare the model's stated dimensions with your own board and cell, since board revisions and connector layouts differ. Look at how the lid closes, whether screws, inserts or a snap fit are used, and how the cell is held in place. Check the wall thickness, the orientation the author recommends, and whether supports are needed. The material and slicer settings listed on the model page, together with photos of real prints, tell you more than the title does.

To narrow the results, search for the board name together with the cell count, for example a case for two cells, and try synonyms such as enclosure, housing, shell, caddy, tray or spacer. Related terms like Meshtastic, MeshCore, LoRa node, GPS module and antenna clearance bring up neighbouring designs. If nothing matches, look at remixes of similar cases and check the dimensions before scaling.

FAQ

よくある質問

What should I check before printing a Heltec T114 case?
Compare the model's internal dimensions with your board revision, cell and any add-on modules. Also note the lid type, the wall thickness and whether the author lists supports or specific settings.
Do these cases work with other Heltec boards?
Not automatically. Connector positions, button placement and board length vary between models, so measure your board and compare it with the dimensions given on the model page.
How do I find a case that holds two 18650 cells?
Search for the board name with the cell count, using terms like 2x, dual or two-cell alongside case or holder. Multi-cell carriers and spacer grids appear under similar wording.
Which material should I use for a battery enclosure?
That depends on where the node will sit and how much heat it produces. Authors usually list the filament and settings they used, so start from that and adjust for your own printer.
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