PCB Design Rules - fusion/macrofab-extended-2L.dru

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.

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John Lauer Initial publish: canonical per-vendor PCB fab design rules. 13 vendors, 56 records (vendor, process, layer count) read… bafc3ce 1mo ago

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description[MacroFab 2-layer design rules (extended process) |  | Min trace width: 0.0762 mm (3.0 mil) - extended specs, not available on 2 oz copper | Min spacing: 0.0762 mm (3.0 mil) - extended specs, not available on 2 oz copper | Min drill: 0.1016 mm (4.0 mil) | Min via: 0.1016 mm hole / 0.254 mm pad | Annular ring: via 0.0762 mm | Copper to board edge: 0.0762 mm | Hole to hole: 0.1524 mm | Board thickness options: 1.6 mm | Copper weight options: 0.5 oz, 1 oz | Surface finishes: ENIG | Max board size: 378.46 x 378.46 mm |  | Extended DRC minimums as published. Board thickness 1.6 mm standard, other custom thicknesses supported; thickness tolerance T below 1.0 mm plus minus 15 percent, 1.0 to 1.6 mm plus minus 10 percent, T at or above 1.6 mm plus minus 10 percent. Min via pad derived from published min drill plus 2x annular ring: 4 mil plus 6 mil. NPTH hole size tolerance plus minus 0.05 mm, PTH plus minus 0.08 mm. Board edge tolerance plus minus 0.15 mm. Extended option disabled for 2 oz copper. Paste aperture min 0.1524 mm, paste clearance 0.1524 mm. Silkscreen text height min 0.8 mm. |  | Sources: | - https://www.macrofab.com/capabilities/ (read 2026-09-03) | - https://www.macrofab.com/pcba/specs/ (read 2026-09-03)]

layerSetup = (1*16)
mtCopper = 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm
mtIsolate = 1.6mm 0.15mm 0.2mm 0.15mm 0.2mm 0.15mm 0.2mm 0.15mm 0.2mm 0.15mm 0.2mm 0.15mm 0.2mm 0.15mm 0.2mm
mdWireWire = 3.0mil
mdWirePad = 3.0mil
mdWireVia = 3.0mil
mdPadPad = 5.91mil
mdPadVia = 3.0mil
mdViaVia = 3.0mil
mdSmdPad = 3.0mil
mdSmdVia = 3.0mil
mdSmdSmd = 3.0mil
mdCopperDimension = 3.0mil
mdDrill = 6.0mil
msWidth = 3.0mil
msDrill = 4.0mil
mdViaViaSameLayer = 6mil
mdSmdStop = 0mil
msMicroVia = 12mil
msBlindViaRatio = 0.5
rvPadTop = 0
rvPadInner = 0
rvPadBottom = 0
rvViaOuter = 0
rvViaInner = 0
rvMicroViaOuter = 0
rvMicroViaInner = 0
rlMinPadTop = 7.09mil
rlMaxPadTop = 80mil
rlMinPadInner = 7.09mil
rlMaxPadInner = 20mil
rlMinPadBottom = 7.09mil
rlMaxPadBottom = 80mil
rlMinViaOuter = 3.0mil
rlMaxViaOuter = 20mil
rlMinViaInner = 3.0mil
rlMaxViaInner = 20mil
rlMinMicroViaOuter = 3.0mil
rlMaxMicroViaOuter = 20mil
rlMinMicroViaInner = 3.0mil
rlMaxMicroViaInner = 20mil
psTop = -1
psBottom = -1
psFirst = -1
psElongationLong = 100
psElongationOffset = 100
mvStopFrame = 0
mvCreamFrame = 0
mlMinStopFrame = 1.5mil
mlMaxStopFrame = 4mil
mlMinCreamFrame = 0mil
mlMaxCreamFrame = 0mil
mlViaStopLimit = 20mil
srRoundness = 0
srMinRoundness = 0mil
srMaxRoundness = 0mil
slThermalIsolate = 10mil
slThermalsForVias = 0
dpMaxLengthDifference = 400mil
dpGapFactor = 2.5
checkAngle = 0
checkRestrict = 1
checkStop = 0
checkValues = 0
checkNames = 1
checkWireStubs = 1
checkPolygonWidth = 0
useDiameter = 13
maxErrors = 50