Is this 3D model free to download?

Yes, Modular 18650 Li-Ion battery system (Hexagon) 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 KoueKoffie, 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.

Modular 18650 Li-Ion battery system (Hexagon)

Source: Thingiverse by KoueKoffie

The Modular 18650 Li-Ion battery system (Hexagon) is a free printable 3D model from Thingiverse by KoueKoffie. This is a hexagon battery system, the idea is to be able to build a battery made up from 18650 cells to almost any shape you want using the modular connectors. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

187 saves Source: Thingiverse Updated 2026-10-16

Tags: Modular, 18650, Li-Ion, battery, system, (Hexagon)

About this model

This is a hexagon battery system, the idea is to be able to build a battery made up from 18650 cells to almost any shape you want using the modular connectors. You would still need to either spot-weld connection tabs to the batteries or use another mechanical means of connection.

Frequently asked questions

Is this 3D model free to download?: Yes. Modular 18650 Li-Ion battery system (Hexagon) 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 KoueKoffie.
Who made this model?: Designed by KoueKoffie, 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.