I recently received my Steam Deck and picked up a HenHot 30000mah, 90W, power bank to go along with it. I got tired of always looking for a USB cable when I needed to use it so I made this simple little print that allows for the storage of the USB cable.
I recommend printing this out of TPU, it is a little tight and fits snug on the HenHot power bank.
I've also supplied the .step file that it can be modified to fit other power banks.
Here is the Amazon link to the HenHot 30000mah power bank, it works great with the Steam Deck. Amazon.com: Portable Charger, HenHot 30000mAh Laptop Power Bank, 90W Dual Outputs Fast Charging External Battery Pack Cell Phone Charger, Compatible with iPhone 14/13, MacBook, Dell, HP, Switch, iPhone, Galaxy : Cell Phones & Accessories
The author hasn't provided the model origin yet.