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+More info here:
+
+http://www.40percent.club/2018/09/tetris.html
+
+[How to order PCBs from gerber files](http://www.40percent.club/2017/03/ordering-pcb.html)
+
+EasyEDA ordering info:
+
+PCB
+
+![4x4_X](4x4_X.png)
+
+Gerber: 4x4_X.zip
+
+    76.2mm 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)
+
+
+