用筆來根據筆壓產生漸層效果 a pen to create a gradient effect based on pen pressure
更改子色以改變線條顏色。
在側板的子工具設定裡>「混合子色」來控制不透明度
自由編輯以供任何用途
Change sub color to change line color.
Under sub tool settings in side panel > "Mix with sub color" to control opacity
Free to edit for any use