では、CGを作る場合はどのように光源を使用すればよいのであろうか。

tbd

Then, when you're making CG, how should you use light sources?

光源、つまり光の向きだな、それと陰影とかにも気をつけて、できるだけ正確に手元にあるクロッキー帳に書き取っていくだけ。

tbd

Light source, that is what direction the light is facing, also take care with shadowing. Just copy down into the sketch book you have at hand as accurately as possible.