Step-by-step references for the files you send to a PCB manufacturer: what each Gerber file contains and what to check before you place the order.
A practical checklist to review Gerber and drill files before sending a board to fabrication: layers, outline, drills, solder mask and silkscreen.
What each Gerber file extension means: GTL, GBL, GTS, GBS, GTO, GBO, GKO, G1-G9 and Excellon drill files, plus the KiCad naming scheme.
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