Gearbox sketches with multiple views, dimensions, and labels fill the pages of an engineering notebook

Prompt

Black-line sketch, mechanical design study notes, densely packed note-style layout, with three-view drawings, dimension annotations, labels, and explanations in Chinese and English.

黑线速写，机械设计学笔记，笔记式排版密密麻麻，配有三视图、尺寸标注、名称注释和中英文标签说明。