More info here:

http://www.40percent.club/2019/07/polyandry.html

How to order PCBs from gerber files

EasyEDA ordering info:

PCB

Gerber: PolyPad.zip

57mm Max* 76mm Max;
Layers: 2;
PCB Thickness: 1.6mm;
PCB Qty.: 10;
PCB Color: Green;
Surface Finish: HASL;
Copper Weight: 1;
Panelized PCBs: 1

Bottom

Gerber: PolyPad_Bottom.zip

64mm Max* 83mm Max;
Layers: 2;
PCB Thickness: 1.6mm;
PCB Qty.: 10;
PCB Color: Green;
Surface Finish: HASL;
Copper Weight: 1;
Panelized PCBs: 1

Plate

Gerber: PolyPad_Top.zip

64mm Max* 83mm Max;
Layers: 2;
PCB Thickness: 1.6mm;
PCB Qty.: 10;
PCB Color: Green;
Surface Finish: HASL;
Copper Weight: 1;
Panelized PCBs: 1

Gerber files released under https://creativecommons.org/licenses/by-sa/4.0/