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

PCB Color:Green

Surface Finish:HASL(with lead)

Copper Weight:1 oz

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