This is T-12 soldering station module for Tiny E-Lab: https://www.thingiverse.com/thing:2999383
Electronic inside: QUICKO T12-942

BoM:
1x QUICKO T12-942
1x ON-OFF Rocker Switch (21x15mm)
1x XT60 connector male
1x XT60 connector female

Other modules:
Tiny e-Lab LCR-T4 tester
Tiny e-Lab Power supply

Print instructions

Rafts: No

Supports: Yes

Resolution: 0.3

Infill: 25%

Filament: PM PLA green