More info here:

http://www.40percent.club/2018/04/gnap-4x4.html

BOM

    1	Arduino Micro (not a Pro Micro)
    47	1n4148 diodes
    47	MX compatible PCB mount switches

[How to order PCBs from gerber files](http://www.40percent.club/2017/03/ordering-pcb.html)

EasyEDA ordering info:

GNAP 4x4 Left

![GNAP4x4L](GNAP4x4L.png)

Gerber: GNAP4x4L.zip

    85.7mm Max* 76.2mm Max;
    Layers: 2;
    PCB Thickness: 1.6mm;
    PCB Qty.: 10;
    PCB Color: Green;
    Surface Finish: HASL;
    Copper Weight: 1;
    Panelized PCBs: 1

GNAP 4x4 Middle

![GNAP4x4M](GNAP4x4M.png)

Gerber: GNAP4x4M.zip

    85.7mm Max* 76.2mm Max;
    Layers: 2;
    PCB Thickness: 1.6mm;
    PCB Qty.: 10;
    PCB Color: Green;
    Surface Finish: HASL;
    Copper Weight: 1;
    Panelized PCBs: 1

GNAP 4x4 Right

![GNAP4x4R](GNAP4x4R.png)

Gerber: GNAP4x4R.zip

    85.7mm Max* 76.2mm Max;
    Layers: 2;
    PCB Thickness: 1.6mm;
    PCB Qty.: 10;
    PCB Color: Green;
    Surface Finish: HASL;
    Copper Weight: 1;
    Panelized PCBs: 1

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

![Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License](https://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png)