³Ô¹Ïtv / ENGINEERING EXPLANATIONSolder Mask Expansion / release checkpoints1ReferenceRecord pad-based, hole-based or explicit geometry behavior.2Signed offsetPositive enlarges and negative contracts the ideal reference opening.3ScopeCheck rule priority, library data and object overrides.4OutputValidate final mask files against copper, outline and the intended assembly strategy.Conceptual illustration. Not to scale; examples are not process settings or acceptance limits.