Gridfinity battery holder and low power cut off for pinecil soldering iron or similar.
Needed something portable to power my soldering iron, for an electronics tray I'm working on.
Parts I used
8x M3 Heated Inserts
4x Standoffs
13x M3 10mm Screws
1x Voltage Cut off
https://www.aliexpress.com/item/33049540052.html