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PCB Design Rules

Public Made by Adom

by adom

Canonical PCB fab design rules (DRC) for every popular vendor: one JSON record per vendor, process and layer count, with generated Fusion/EAGLE .dru and .edru, KiCad .kicad_dru plus board-setup JSON, Altium .RUL exports, and a human comparison table. Every number cites the vendor's own capabilities page and the date it was read.

pcbdesign-rulesdrcfabricationjlcpcbpcbwayfusionkicadaltiumedrukicad_dru
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Delete kicad/adom-instapcb-4L.board-setup.json

John Lauer ·cebb62c18b ·14d ago ·parent 5b4e78a
1 file changed −26
kicad/adom-instapcb-4L.board-setup.json−26
kicad/adom-instapcb-4L.board-setup.jsondeleted−26
@@ -1,26 +0,0 @@-{-  "vendor": "3rd party fab",-  "process": "standard",-  "layerCount": 4,-  "boardSetupConstraints": {-    "minTrackWidthMm": 0.09,-    "minClearanceMm": 0.09,-    "minViaDrillMm": 0.15,-    "minViaDiameterMm": 0.25,-    "minHoleMm": 0.15,-    "copperEdgeClearanceMm": 0.2,-    "holeToHoleMm": 0.2,-    "annularRingViaMm": 0.1,-    "annularRingPadMm": 0.18,-    "silkMinLineWidthMm": null,-    "maskExpansionMm": 0.038-  },-  "notes": "Apply as Board Setup, Constraints. The matching .kicad_dru file carries the same limits as custom rules; the two are redundant on purpose so both the GUI constraints and kicad-cli DRC enforce them.",-  "sources": [-    {-      "url": "adom/fusion-bridge addin/AdomBridge/resources/dru/Adom-InstaPCB-4-Layer.edru",-      "dateRead": "2026-09-03",-      "kind": "bundled-rule-file"-    }-  ]-}