master
John Lauer MPN laser etch: etched STEP is the default, plain kept as -unetched.step; hero GLB with footprint and silkscreen; hero… 1c83d40 24d ago
{
 "schema": "adom/basic-part-etch-pass@1",
 "mpn": "0402N680J500CT",
 "date": "2026-09-30",
 "request": "John: chip-laser-etch every component we put on wiki pages; the best STEP (with the etch) is the default",
 "step": {
  "default": {
   "file": "0402N680J500CT.step",
   "sha256": "8a529ece48cb1f7232372df159e8a7236a2200f49aa68693a9493b479ed5d7ea",
   "content": "the page STEP (same frame, colours kept) + one flat laser_etch part: the virtual MPN on the top face, seated on the body",
   "source": "hero-proposals/0402n680j500ct/etched.step (reviewed)"
  },
  "unetched": {
   "file": "0402N680J500CT-unetched.step",
   "sha256": "03e44c4b2b727b8d4b6b1fd598cbd12dd5e614f1dfeefa96a92a07e3a3b312a2",
   "note": "the STEP this page shipped before, byte for byte"
  }
 },
 "mark": {
  "kind": "virtual",
  "text": "0402N680J500CT",
  "color_linear_rgb": [
   0.78,
   0.78,
   0.76
  ],
  "color_reason": "light mark on a dark body",
  "flat": "zero-thickness sheet (glyph top faces only)",
  "note": ""
 },
 "etch": {
  "file": "etched.step",
  "sha256": "8a529ece48cb1f7232372df159e8a7236a2200f49aa68693a9493b479ed5d7ea",
  "frame": "same as the original STEP (drop-in)",
  "source_sha256": "03e44c4b2b727b8d4b6b1fd598cbd12dd5e614f1dfeefa96a92a07e3a3b312a2",
  "tool": "aiflow-work/merged/tools/laser-etch/etch_part.py (adom-chip-laser service + merge_etch.py flat) [+ _tools/seat_mark.py where the body top sits below the terminations]",
  "note": ""
 },
 "pose": {
  "frame": "Adom Z-up footprint seating frame, metres in GLB, seating plane Z = 0",
  "transform": "library model is already Z-up in the footprint frame (footprint carries no model transform); identity",
  "xcaf_transform": "\u001b[0m"
 },
 "page_glbs": {
  "method": "swap_part.py: only the part mesh is replaced by the step2glb conversion of the etched STEP (posed Z-up); board, pads, solder, silk, node names, the insertion animation and every other node copied unchanged; the mark is a child node Adom.LaserEtch.MPN of the part node, so it rides the insertion animation",
  "files": {
   "0402N680J500CT.glb": {
    "sha256": "240d727e9626f8bf9dd6bcb88ba3517daea679f635dba2e4dadfff64be03f814",
    "bytes": 19900,
    "bytes_before": 19860,
    "tris_before": 236,
    "tris_after": 500,
    "swap": {
     "out": "0402N680J500CT.glb",
     "bytes": 19900,
     "sha256": "240d727e9626f8bf9dd6bcb88ba3517daea679f635dba2e4dadfff64be03f814",
     "part_node": "C_0402_1005Metric",
     "old_part_tris": 236,
     "new_part_tris": 236,
     "old_part_bbox_mm": [
      [
       -0.5,
       -0.25,
       0.0
      ],
      [
       0.5,
       0.25,
       0.5
      ]
     ],
     "new_part_bbox_mm_local": [
      [
       -0.5,
       -0.25,
       -0.0
      ],
      [
       0.5,
       0.25,
       0.5
      ]
     ],
     "node_scale_z": 1,
     "rendered_top_mm": 0.5,
     "laser_etch": {
      "tris": 264,
      "rgb_linear": [
       0.78,
       0.78,
       0.76
      ],
      "z_mm": [
       0.49,
       0.49
      ]
     }
    }
   },
   "0402N680J500CT.insertion.glb": {
    "sha256": "0ed23698243556344781e0f1597e9558a699598a07a9dbf9a57e3c186ccf8407",
    "bytes": 41476,
    "bytes_before": 55072,
    "tris_before": 1192,
    "tris_after": 1456,
    "swap": {
     "out": "0402N680J500CT.insertion.glb",
     "bytes": 41476,
     "sha256": "0ed23698243556344781e0f1597e9558a699598a07a9dbf9a57e3c186ccf8407",
     "part_node": "0402N680J500CT",
     "old_part_tris": 236,
     "new_part_tris": 236,
     "old_part_bbox_mm": [
      [
       -0.5,
       -0.25,
       0.0
      ],
      [
       0.5,
       0.25,
       0.5
      ]
     ],
     "new_part_bbox_mm_local": [
      [
       -0.5,
       -0.25,
       -0.0
      ],
      [
       0.5,
       0.25,
       0.5
      ]
     ],
     "node_scale_z": 1,
     "rendered_top_mm": 0.5,
     "laser_etch": {
      "tris": 264,
      "rgb_linear": [
       0.78,
       0.78,
       0.76
      ],
      "z_mm": [
       0.49,
       0.49
      ]
     }
    }
   }
  }
 },
 "hero_glb": {
  "file": "0402n680j500ct-hero.glb",
  "sha256": "ab58b55e3b8d19a6c732194881e138ddf2bbc901d92f7c1248b14636c4e81477",
  "source": "hero-proposals/0402n680j500ct/hero.glb (reviewed)",
  "provenance": "provenance/0402n680j500ct-hero.provenance.json"
 },
 "hero_png": {
  "file": "screenshots/hero.png",
  "sha256": "d687f030c4256fc9460d7e78820a74a5eba5db8d0022f16e7dc6907c023d7cad",
  "source": "hero-proposals/0402n680j500ct/after-hero.png (shared basic-part hero template)"
 }
}