Vi Gross exhibition architecture: representative prototype design, not manufacturer showroom CAD. CC0 1.0 assets from Poly Haven, https://polyhaven.com/license https://polyhaven.com/a/wood_floor https://polyhaven.com/a/marble_01 https://polyhaven.com/a/beige_wall_001 https://polyhaven.com/a/wool_boucle https://polyhaven.com/a/potted_plant_02 https://polyhaven.com/a/modern_coffee_table_01 Changes: texture resizing and WebP packaging; neutral colour grading of stone and plaster; plant geometry simplified with border preservation; models uniformly scaled to metre-based display layout. Materials, shadows and exhibition architecture authored for this independent prototype.