Nano Banana Pro Prompt for High-Visibility 3D Thumbnail Design

This is a prompt template designed for Nano Banana Pro to create professional, high-visibility YouTube or social media thumbnails by incorporating a strong sense of three-dimensionality and applying 10 proven design psychology laws, such as the Z-pattern, contrast effect, and the 3-color rule. The prompt specifically instructs the AI to add a 3D effect to the text to enhance visual impact. Via YouMind OpenLab prompt library (MIT).