复古工业专利蓝图
象牙色线条将物件化为钴蓝底的复古技术风格图版。
物件名称、短标注;外观参考可选
提示词 · 英语
Depict a mechanical pocket watch as a vintage engineering plate on deep cobalt paper. Draw precise ivory linework for a central three-quarter view, an exploded assembly and two small cross-sections. Use sparse dimension arrows and these exact short labels: CASE; DIAL; GEARS; CROWN, with a discreet serial-number box. Keep the drawing elegant and mechanically plausible, with slight paper wear around the margins.
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