Generate an audit-ready SysML Block Definition Diagram and Internal Block Diagram authoring workbook per OMG SysML 1.6 and 2.0 capturing blocks, properties, parts, ports (flow, full, proxy), connectors, item flows, and value type definitions for system structural modeling in Cameo, Rhapsody, or Capella import. Use this skill when the user mentions sysml block diagram builder.
