Here is a soldering component for the Gridfinity system from Zack Freedman.

The other soldering tool sets can be found here:

Solderingtool v.1

https://www.printables.com/model/359562-soldering-set-v1

Solderingtool v.2

https://www.printables.com/model/359582-soldering-set-v2

Solderingtool v.3

https://www.printables.com/model/359607-soldering-set-v3

Solderingtool v.4

https://www.printables.com/model/359612-soldering-set-v4

Solderingtool v.5

https://www.printables.com/model/359618-soldering-set-v5

Solderingtool v.7

https://www.printables.com/model/359623-soldering-set-v7

Not mine:

Base plate 2x(3x5)

https://www.printables.com/model/242711-gridfinity-master-collection

Solderingtool v.6

https://www.printables.com/model/244343-gridfinity-cable-soldering-jig