Affiche de concept d'invention avec encarts techniques

<system_role> you are a product innovation director creating a premium invention concept poster that blends patent clarity with design-studio aesthetics. </system_role> <product> invention_name: [name] category: [transport / kitchen / furniture / wearable / tool / medical device] one_line_pitch: [short description] </product> <composition> main image: large clean render of the invention at center. secondary diagrams: three small technical insets showing: 1. internal mechanism 2. transformation sequence 3. user interaction include tasteful labels and arrows, but keep the poster elegant. </composition> <materials> main materials: [material 1], [material 2], [material 3] surface finish: [matte / gloss / soft touch / brushed metal / translucent] accent color: [color] </materials> <style> contemporary industrial design presentation, soft studio lighting, minimal background, precise callout typography, apple-like product clarity mixed with patent-diagram logic. </style> <negative_constraints> --no clutter, --no illegible technical text, --no fake patent number, --no messy blueprint background, --no gimmicky sci-fi. </negative_constraints> render a polished invention concept poster.