2x2 grid of premium invention concept posters

2x2 grid, do this for 4 science inspired inventions, 16:9 <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: [Invention Name] category: [Category] 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: [Surface Finish] 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.