Is this 3D model free to download?

Yes, 4S 21700 battery pack with USB-PD board 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 joshuabardwell, 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.

4S 21700 battery pack with USB-PD board 3D printable model by joshuabardwell

4S 21700 battery pack with USB-PD board photo 1

4S 21700 battery pack with USB-PD board

Source: Thingiverse by joshuabardwell

The 4S 21700 battery pack with USB-PD board is a free printable 3D model from Thingiverse by joshuabardwell. I added space for a USB-PD board. 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 2026-11-03 License: CC-BY-SA · commercial OK Category: Gadgets & Electronics

Tags: 4S, 21700, battery, pack, with, USB-PD, board

About this model

I added space for a USB-PD board. Also the spacing on the original was too tight and my cells wouldn't all go in at the same time, so I adjusted the spacing slightly so all four go in smoothly with space for fish paper between them. Original design converted to STEP using and then modified using Claude. The exact USB-PD board I used is:

Frequently asked questions

Is this 3D model free to download?: Yes. 4S 21700 battery pack with USB-PD board 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 joshuabardwell.
Who made this model?: Designed by joshuabardwell, 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.