PCB Design Rules - fusion/osh-park-2oz-0.8mm-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[OSH Park 2-layer design rules (2oz-0.8mm process) |  | Min trace width: 0.1524 mm (6.0 mil) - 2oz copper | Min spacing: 0.1524 mm (6.0 mil) - 2oz copper | Min drill: 0.254 mm (10.0 mil) | Min via: 0.254 mm hole / 0.508 mm pad | Annular ring: via 0.127 mm | Copper to board edge: 0.381 mm | Hole to hole: 0.127 mm | Board thickness options: 0.8 mm | Copper weight options: 2 oz | Surface finishes: ENIG | Max board size: 406.4 x 558.8 mm |  | 0.032in (0.8mm) thick PCB with 2oz (2.8 mil, 70um) copper, 180Tg FR4 (Ventec VT-47). Minimum board size 0.25in (6.35mm) square. |  | Sources: | - https://docs.oshpark.com/services/two-layer-hhdc/ (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 = 6.0mil
mdWirePad = 6.0mil
mdWireVia = 6.0mil
mdPadPad = 6.0mil
mdPadVia = 6.0mil
mdViaVia = 6.0mil
mdSmdPad = 6.0mil
mdSmdVia = 6.0mil
mdSmdSmd = 6.0mil
mdCopperDimension = 15.0mil
mdDrill = 5.0mil
msWidth = 6.0mil
msDrill = 10.0mil
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 = 5.0mil
rlMaxViaOuter = 20mil
rlMinViaInner = 5.0mil
rlMaxViaInner = 20mil
rlMinMicroViaOuter = 5.0mil
rlMaxMicroViaOuter = 20mil
rlMinMicroViaInner = 5.0mil
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