{"acceptance_criteria":["Output contains no non-manifold geometry or disconnected shells.","All feature normals point consistently outward from the volume."],"forge_execution_allowed":false,"limitations":["Cannot validate physical fit or material properties without external simulation tools.","Does not execute code, render images, or access Blender software."],"principles":["Use explicit units, origins, axes and coordinate systems.","Prefer constrained construction geometry for functional features.","Maintain closed, valid solids for manufacturing."],"repeatable_method_steps":["Define origin and axis orientation with labeled coordinates.","Construct edges using fixed lengths relative to the defined units.","Close all loops to form a manifold solid without gaps or self-intersections."],"required_inputs":["Defined coordinate system parameters","Target functional shape description"],"round":1,"safe_knowledge_gate":"Theoretical understanding of geometric topology and manufacturing constraints only."}