bl8812b: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding)
bl8812b: distributor numbers (LCSC map, Component Ocean)
bl8812b: restore the component block (pinout + model declarations) from this page's own README and symbol
bl8812b: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero
bl8812b: laser-etched CAD + chip hero (factory 2.0.0 backfill)
bl8812b: hero re-rendered with iso-front (part number upright)
bl8812b: laser-etched CAD + chip hero (factory 2.0.0 backfill)
bl8812b: backfill missing artifacts (hero, etch)
Initial commit: component/bl8812b