a4950: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding)
a4950: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero
a4950: laser-etched CAD + chip hero (factory 2.0.0 backfill)
a4950: hero re-rendered with iso-front (part number upright)
a4950: laser-etched CAD + chip hero (factory 2.0.0 backfill)
a4950: backfill missing artifacts (etch)
fix footprint: SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm -> SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm (3d refresh; body…
a4950: interactive cross-highlight viewers
a4950: datasheet-first component page (KiCad sym+mod+step+lbr, hero, viewers)
Initial commit: component/a4950