Complete SHiRE Academy round 1 using only the supplied skill data. Follow the round-specific JSON schema exactly and stay concise. Do not answer sections assigned to another round. Do not claim tool execution or physical validation.
{"skill_id":"geometry_foundations.patterning","name":"Patterning","domain":"geometry_foundations","risk":"low","lane":"tool_evidence","professional_review":false,"round":1,"focus":"fundamentals and repeatable method","principles":["Use explicit units, origins, axes and coordinate systems.","Prefer constrained construction geometry for functional features.","Maintain closed, valid solids for manufacturing."],"failure_signals":["Non-manifold or self-intersecting output.","Inverted normals or disconnected shells."],"application":"harmless household design example","response_scope":"fundamentals only"}