11 layers74.2 × 29.2 mm

SolderingStationPCB
clytle374/Open-T12-Soldering-Station
This is a clone of the cheap T12 soldering stations, attempting to eliminate the shortfalls of the cheap designs.
68 parts43GPL-3.0
KiCad boards from 3 GitHub repositories tagged “t12”, the most starred first; open any of them in PCBKit.

clytle374/Open-T12-Soldering-Station
This is a clone of the cheap T12 soldering stations, attempting to eliminate the shortfalls of the cheap designs.

hrandib/jbc_station
3 channel universal soldering station for T12, T115, T210, T245, T470 handles

atoomnetmarc/IoT12
Schematic, PCB files, firmware and 3d models for creating the IoT12 solder iron temperature controller for T12 compatible tips.