Planche de Proposition de Design d'Emballage

A vertical creative brand packaging design proposal board poster for [milk powder]. In the center, showcase a highly detailed, photorealistic 3D commercial render of the finished packaging product, complete with realistic textures, soft studio lighting, and premium material finishes (matching the reference photo if provided). Surrounding the central product are dynamic hand-drawn design sketches in dark ink: packaging structural cross-sections, unfolding flat lay diagrams, alternative angle sketches, a hand-held scale mockup, and typography layout experiments. Include casual design process markings such as hand-drawn arrows, callout circles, and handwritten design notes. The background is a clean, unified brand color palette naturally suited to [milk powder]. High-end graphic design presentation board aesthetic, balanced composition, visual rhythm contrasting the polished final product with energetic creative process sketches.