38.jpg 【EASY - 2025】

: If a visible line and a hidden line (or center line) occupy the same position, draw only the visible line . 🖥️ Step 4: Refine and Polish

In technical drafting, different line weights convey different meanings. 38.jpg

🛠️ Step 1: Analyze the Image (The "3D-to-2D" Visualization) : If a visible line and a hidden