用於繪畫與渲染的長方形畫筆 A Rectangular brush for painting and rendering
有或不混合顏色都可以用,我通常不混合顏色,只是用不同透明度和顏料覆蓋顏色。主要是用來上色和渲染。

Use with or without color mixing, I usually use it without color mixing and just use varying opacity and paint over colors. Mainly for painting and rendering.
