Professional packaging designer Leon Tacke, a design partner for Spring (Sourceful’s AI design tool), shares a seven-step process for writing effective prompts: start with product type, define aesthetic and theme, specify design features, describe composition and layout, establish background and lighting, adjust for variations, and refine details. The article showcases four successful designs (Argos, Maven & Co, Aeris, and Brim & Bloom) and contrasts weak versus strong prompt language to show how specificity yields better AI-generated packaging.