More info here:

https://www.40percent.club/2019/03/4x4-itsybitsy.html

How to order PCBs from gerber files

EasyEDA ordering info:

PCB

Gerber: 4x4S.rar

Dimension:86mm*76mm PCB Qty:10 PCB Thickness:1.6 Impedance:no PCB Color:Green Surface Finish:HASL(with lead) Copper Weight:1 oz

Files released under https://creativecommons.org/licenses/by-nc-sa/4.0/