Is this 3D model free to download?

Yes, Parametric Li-ion Battery Cell Holder (18650/21700/Flat/Button/Protected/Unprotected) is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by vsergeev0, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

Parametric Li-ion Battery Cell Holder (18650/21700/Flat/Button/Protected/Unprotected) 3D printable model by vsergeev0

Parametric Li-ion Battery Cell Holder (18650/21700/Flat/Button/Protected/Unprotected) photo 1

Parametric Li-ion Battery Cell Holder (18650/21700/Flat/Button/Protected/Unprotected) photo 2

Parametric Li-ion Battery Cell Holder (18650/21700/Flat/Button/Protected/Unprotected) photo 3

Parametric Li-ion Battery Cell Holder (18650/21700/Flat/Button/Protected/Unprotected) photo 4

Parametric Li-ion Battery Cell Holder (18650/21700/Flat/Button/Protected/Unprotected)

Source: Thingiverse by vsergeev0

The Parametric Li-ion Battery Cell Holder (18650/21700/Flat/Button/Protected/Unprotected) is a free printable 3D model from Thingiverse by vsergeev0. A 3D printable parametric lithium-ion battery cell holder, with variants for: 18650 / 21700, flat-top / button-top, protected / unprotected variants. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

30 saves Source: Thingiverse Updated 2026-11-04 License: CC-BY · commercial OK Category: Gadgets & Electronics

Tags: 18650 battery holder, 21700 battery holder, battery holder, Li-ion, lithium-ion

About this model

A 3D printable parametric lithium-ion battery cell holder, with variants for: 18650 / 21700, flat-top / button-top, protected / unprotected variants. Uses Keystone 209-style spring contacts (e.g. Amazon) for both positive and negative terminals. Provides two M3 mounting holes and six 3mm zip-tie slots, spaced for a 5mm grid. Made with FreeCAD. Variant can be selected in the data pane of the "Parameters" spreadsheet. Cell dimensions and other parameters can be configured in the "Parameters" spreadsheet of the project file. Requires FreeCAD 26.3 or later. GitHub: Recommended Print Settings: 0.20mm layer height, 15-100% infill, no supports, PLA/PLA+/PETG/ASA

Frequently asked questions

Is this 3D model free to download?: Yes. Parametric Li-ion Battery Cell Holder (18650/21700/Flat/Button/Protected/Unprotected) is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by vsergeev0.
Who made this model?: Designed by vsergeev0, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.