Axis-aligned bounds of this plate's placements, in scene units.
The source's plater id (plater_id), stable within the scene.
Placements assigned to this plate.
OptionalnameSource-declared plate name when present and non-empty.
Distinct master objects referenced by this plate's placements (a master shared across plates counts in each).
One declared plate in a multi-plate source (DD-025), paralleling the toolpath-side
PlateSummary. Present only when the source explicitly declares plate structure (Bambu/OrcaMetadata/model_settings.config); an undeclared/implicit single plate is not summarized here.