at25df321a-sh-t: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding)
at25df321a-sh-t: distributor numbers (LCSC map, Component Ocean)
at25df321a-sh-t: restore the component block (pinout + model declarations) from this page's own README and symbol
at25df321a-sh-t: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero
at25df321a-sh-t: laser-etched CAD + chip hero (factory 2.0.0 backfill)
at25df321a-sh-t: hero re-rendered with iso-front (part number upright)
at25df321a-sh-t: laser-etched CAD + chip hero (factory 2.0.0 backfill)
at25df321a-sh-t: backfill missing artifacts (hero, etch)
Initial commit: component/at25df321a-sh-t