Field guide / 01
Check a Gerber package before handing it off
Inspect the files, shared coordinate system and missing evidence before passing a PCB fabrication package to someone else.
Read the guide ↗Field guide / 02Read Gerber and Excellon units without guessing scale
Understand explicit units, fixed-point coordinates and the differences between suppressed and retained zeros.
Read the guide ↗Field guide / 03Interpret drill alignment evidence without mistaking it for DFM
Use nearest flash centres and outline bounds as limited geometric evidence, with explicit unavailable and partial cases.
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