A concise Nano Banana Pro instruction set for creating technical, hard-edge infographics. The process involves selecting an object, ensuring realistic clarity, and overlaying black, hand-drawn engineering annotations (labels, dimensions, materials, cross-sections, arrows) to achieve an 'Engineering Manual + Exhibition Plaque' texture.
1️⃣选 OBJECT
2️⃣写实图保持清晰可见
3️⃣叠黑色手绘工程标注(标签、尺寸、材质、剖面、箭头)CC BY 4.0. Prompt pages keep the original attribution and source links from the upstream gallery records stored in the database.


