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奇怪なメカsekkei
@Mecha_sekkei
表記でわかる製図レベル ①基礎製図かCADした事ある人 ②人の図面を見たことある人 ③製図検定を受けた事ある人 下にいくほど製図わかってるなと感じる
The image is a technical drawing of a mechanical part, featuring detailed measurements and annotations. It includes a central circular feature with a diameter of 74mm, surrounded by four M8 holes on a pitch circle diameter (P.C.D) of 74mm. The drawing is annotated with three red circles labeled ①, ②, and ③, which correspond to different levels of understanding in technical drawing: ① for those who have basic drawing or CAD experience, ② for those who have seen others' drawings, and ③ for those who have taken a drawing certification exam. This classification is based on the post text by 奇怪なメカsekkei (@Mecha_sekkei), which suggests that the ability to understand these notations indicates one's proficiency in technical drawing.
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