借助 Nano Banana Pro 模型，轻松生成精细的纸艺载具技术图纸，包含铅笔草图和红色标注，适合设计师和爱好者制作机械部件的详细蓝图。

Detailed technical drawing of a [vehicle, weapon, object, or item], on white paper with dimensions and annotations in red marker. [The subject] is depicted in pencil with [material or texture details], showing [list of key parts and functional elements], all in clear detail. Intricate element, detailed blueprint style with notes on its features and functionality