使用曲線的透視尺規。
垂直線和水平線只能使用直線或深線繪製鬆散曲線的背景。
This is a perspective ruler with the curve ruler.
You can draw a picture that vertical and horizontal lines are straight, and depth lines are curved.
曲線を使ったパース定規です。
縦線と横線は直線、奥行き線のみゆるい曲線を使った背景を描くことができます。
This is a perspective ruler with the curve ruler.
You can draw a picture that vertical and horizontal lines are straight, and depth lines are curved.
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