Hello,
how make external track like this, and so we can solder tin on it for increase current ?
Thanks
![enter image description here][1]
[1]: https://ae01.alicdn.com/kf/HTB1DaK4KFXXXXaiXXXXq6xXFXXXd/123610765/HTB1DaK4KFXXXXaiXXXXq6xXFXXXd.jpg
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