SAI Interface Modelling RequirementsSave PDFSave selected topicSave selected topic and subtopicsSave all topicsShareShare to emailCopy topic URLLast UpdatedJan 24, 20231 minute readEngineeringE3D DesignE3D Design 3.1 This section describes the SAI interface modelling requirements. Related LinksUnits and Up DirectionConnectionsHierarchyJustificationNode ToleranceLoad Cases and LoadsCatalogsMaterials