It becomes the watercolor brush brush which made oneself for the purpose of the shadow coating such as hair, skin, clothes.
Although it is a brush that remains after the line of a brush to enlarge, the change of a moderate color becomes a gradation when shrinking.
髪や肌、服などの影塗りを目的に自作した水彩毛筆ブラシになります。
拡大すると毛筆の線っぽいあとが残るブラシですが、縮小すると程よい色の変化がグラデーションになります。