Xiaomi M365 sown external battery holder - updated

The cycling bag will be sown on top and 3 hose clamps will be used to attach it to scooter tube. Default values are measured for this [bag from aliexpress](https://www.aliexpress.com/item/WILD-MAN-Bicycle-Bag-Triangle-Frame-Pannier-MTB-Road-Cycling-Top-Tube-Bag-EVA-Shell-Waterproof/32968025338.html).

Material needed:
- printed holder (obviously)
- three hose clamps (min. diameter 60mm)
- bicycle tube to put under holder supports and hose clamps - to avoid scratches
- needle and thicker th