{
 "mpn": "STM32G431CBT6",
 "model_kind": "drawn (not the manufacturer's)",
 "rule": "John's rule: the component page's validated STEP, else the manufacturer's STEP when it can be redistributed, else our own drawn and proven by an overlay on the datasheet. The adom/ page's STEP is generated (chipsmith-style) and the manufacturer's is not redistributable (see vendor_check), so this is the third case.",
 "source": {
  "what": "KiCad official 3D library, Package_QFP.3dshapes/LQFP-48_7x7mm_P0.5mm.step",
  "from": "/mnt/c/Users/john/AppData/Local/Programs/KiCad/10.0/share/kicad/3dmodels/Package_QFP.3dshapes/LQFP-48_7x7mm_P0.5mm.step (KiCad 10.0.5 install on ConfRoomROG)",
  "made_by": "the kicad-packages3D generator (KiCad's CadQuery scripts)",
  "licence": "CC BY-SA 4.0 with the KiCad libraries' design exception: https://www.kicad.org/libraries/license/ (attribution: KiCad library team)",
  "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf"
 },
 "why_not_drawn_on_the_service": "The shared step2glb service has no permitted body-building verb (/create-chip and /bake are chipsmith; adom/adom-step2glb#27 is open), so the model was not drawn there.",
 "checked": {
  "against": "dims-drawn.md (datasheet min/max, page cited) and overlay.png (every face at true scale against the limits)",
  "by": "step2glb /step-meta",
  "flag": null
 },
 "marking": {
  "file": "STM32G431CBT6-etched.step",
  "tool": "adom-aiflow-etch (service-occt /laser-etch, flat Adom.LaserEtch layer)",
  "check": "PASS",
  "sha256": "e6b096dda409443c8294183560355c907aa3edbfd65dfdfe53b53a3fe97ea436"
 },
 "vendor_check": {
  "vendor": "STMicroelectronics",
  "source_page_url": "https://www.st.com/en/microcontrollers-microprocessors/stm32g431cb.html (CAD Resources tab)",
  "route": "ST hosts no STEP. The CAD Resources tab offers only two supplier widgets: 'Start your design with UltraLibrarian' (https://vendor.ultralibrarian.com/stmicro/embedded?rpn=STM32G431CBT6) and 'Start your design with SamacSys' (https://st.componentsearchengine.com/entry_u_newDesign.php?mna=STMicroelectronics&mpn=STM32G431CBT6&pna=st&vrq=multi&fmt=zip, partID 2207458). Both are third parties; both sets of terms say the content is owned by the third party (EMA / Supplyframe), so it is not clearly ST's own model.",
  "download_url": null,
  "through_third_party": true,
  "vendor_model_obtained": false,
  "licence_classification": "not allowed",
  "licences": [
   {
    "site": "Ultra Librarian (EMA Design Automation)",
    "classification": "not allowed",
    "url": "https://vendor.ultralibrarian.com/TI/embedded/?gpn=OPA2365&package=D&pin=8 (Terms And Conditions modal, #modal-container-license); identical text on the /adi/ and /stmicro/ embeds",
    "clause": "Usage. ... You may incorporate the CONTENT that you are authorized to access into your products or designs which may be distributed without restriction, including for commercial, educational, and open-source purposes. You may not use CONTENT for publishing or creating a library or libraries for sale or distribution for commercial purposes or enabling third parties to do the same. | Copyright. The CONTENT is owned by EMA ... You agree to take all reasonable steps and to exercise due diligence to protect the CONTENT and the accompanying materials from unauthorized reproduction, publication, or distribution, except as outlined in this Agreement. | Usage. Registration is required to download CONTENT from the Ultra Librarian website (\"Website\") either directly or linked from a partner website.",
    "saved": "vendor/ultralibrarian-terms-2026-10-20.txt"
   },
   {
    "site": "SamacSys / Component Search Engine (Supplyframe)",
    "classification": "not allowed",
    "url": "https://www.supplyframe.com/company/terms/ (linked as 'Terms of Service' from componentsearchengine.com; SamacSys = Supplyframe)",
    "clause": "4.3 License to Service Content. ... (a) you may access and use the Service Content solely for informational and internal purposes, in accordance with these Terms; (b) you may not modify or alter the Service Content; (c) you may not distribute or sell, rent, lease, license or otherwise make the Service Content available to others",
    "saved": "vendor/supplyframe-terms-2026-10-20.txt"
   }
  ]
 },
 "date": "2026-10-20"
}