一種略帶紋理的刷子,根據壓力增加不透明度。 A slightly textured brush that increases opacity depending on pressure.
一種略帶紋理的刷子,根據壓力增加不透明度。刷子不會低於3像素。

A slightly textured brush that increases opacity depending on pressure. The brush will not go below 3px.
