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John Lauer The finished riser: KiCad project, Gerbers/BOM/CPL, design record, renders and analysis 09d929e 7d ago
{
 "plan": {
  "schema": "adom/mark-plan@1",
  "mpn": "BR24H64FJ-5ACE2",
  "step": "/home/adom/project/ocp-oculink-riser/kicad/3d/src/SOIC-8_3.9x4.9mm_P1.27mm.step",
  "footprint": "/home/adom/project/ocp-oculink-riser/kicad/3d/src/SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",
  "standUp": [],
  "standUpSource": "as-is (Z up)",
  "face": "top",
  "pin1": {
   "source": "footprint pad 1",
   "xyMm": [
    -2.475,
    1.905
   ],
   "corner": "left/lower"
  },
  "existingMarks": [],
  "vendorMarking": {
   "present": false,
   "glyphFaces": 0
  },
  "faceNormal": [
   0,
   0,
   1
  ],
  "longAxis": {
   "axis": "y",
   "vector": [
    0.0,
    1.0,
    0.0
   ],
   "why": "square body: along the pin-1 row",
   "override": null
  },
  "readingDirection": {
   "vector": [
    -0.0,
    -1.0,
    0.0
   ],
   "angleDeg": 270,
   "textUp": [
    1.0,
    -0.0,
    0.0
   ],
   "rule": "pin 1 / pad 1 at the start (left) of the text, and below it when it sits on a side"
  },
  "band": {
   "regionMm": [
    -1.7602,
    -2.2602,
    1.7602,
    1.2902
   ],
   "zMm": 1.75,
   "lengthMm": 3.5504,
   "heightMm": 3.5204,
   "why": "highest flat face over the body centre",
   "terminationsExcludedBy": null,
   "trimmedEnds": [],
   "keepouts": [
    [
     -1.4102,
     1.3102,
     -0.8102,
     1.9102
    ]
   ],
   "sideTurn": null,
   "margins": {
    "lengthEachSide": 0.12,
    "heightEachSide": 0.15
   }
  },
  "text": {
   "lines": [
    "BR24H64",
    "FJ-5ACE2"
   ],
   "chars": 15,
   "capHeightMm": 0.4229,
   "smallestLineMm": 0.4229,
   "heightPctOfBand": 27.6,
   "why": "two lines: the smaller line (0.423 mm) beats one line (0.223 mm) by 1.90x",
   "alternative": {
    "lines": [
     "BR24H64FJ-5ACE2"
    ],
    "capHeightMm": 0.2226,
    "smallestLineMm": 0.2226
   },
   "font": "service-step2glb /laser-etch (single-stroke outline font)"
  },
  "etch": {
   "poseQuarterTurnsZ": 1,
   "service": "/laser-etch?mode=flat",
   "note": "turn so the reading direction is +X, etch, fit the mark into the band, turn back"
  },
  "outline": {
   "upAxis": "z",
   "poseRotZDeg": 180,
   "rot": 90,
   "recipe": "adom-aiflow-etch outline <part.step> --footprint <part.kicad_mod> --mpn BR24H64FJ-5ACE2 (stands the STEP up (as-is (Z up)), turns it 180 deg about Z and draws BR24H64 / FJ-5ACE2 on the planned band, rot 90)",
   "why": "iso camera looks from +X+Y+Z: text along +Y (rot 90) or -X (rot 180) reads left to right with pin 1 toward the viewer"
  },
  "widget": {
   "px": 320,
   "pxPerMm": 39.85,
   "capHeightPx": 13.8
  },
  "hints": [],
  "warnings": [],
  "summary": "Mark along the 3.55 mm axis (-Y), 0.42 mm text (2 lines), upright with pin 1 left lower, outline rot 90 after a 180 deg pose turn; ~14 px caps at 320 px"
 },
 "etch": {
  "out": "/home/adom/project/ocp-oculink-riser/kicad/3d/etch/SOIC-8_3.9x4.9mm_P1.27mm_BR24H64FJ-5ACE2.step",
  "mpn": "BR24H64FJ-5ACE2",
  "lines": [
   "BR24H64",
   "FJ-5ACE2"
  ],
  "removedOldMarks": [],
  "turns": [
   {
    "axis": "z",
    "quarterTurns": 1
   }
  ],
  "serviceMarkTurnedQuarter": 0,
  "line2Scaled": true,
  "fit": {
   "scale": 0.7809,
   "capMm": 0.4231,
   "markMm": [
    2.6983,
    0.9976
   ],
   "bandMm": [
    3.5504,
    3.5204
   ],
   "zMm": 1.755
  }
 }
}