18650 Slim single box mod 3D Print Model

Summary
This is new version of single box mod.
Parts needed:https://www.fasttech.com/products/0/10011690/2013501-diy-spring-loaded-firing-button-for-mechanical-mod
-https://www.fasttech.com/products/0/10011689/3441401-510-connector-w-solder-ring-terminal-for-e
-cheap chinese voltmeter (check dimensions my is 11x23mm)
5x5x2mm magnets
5mm tact switch for switching woltmeter
Contacts for battery are made from brass sheet, bent and hot glued at the bottom.
Print Settings
Supports:
Yes Resolution:
0.15 Infill:
15%