engraving the motherboard structure

At this point I was tired of soldering, so I finished to draw the fake circuit to be engraved on the motherboard structure. This is the result:

Then I engraved the drawing.

first pass:

Second pass (this pass has been a lot longer than the first. The first took half an hour, and the second took 3-4 hours):

And this is the finished engraving:

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