A pleated pen that can be used to draw skin and folds 褶皱笔, 可以用来画皮肤和衣褶
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The picture shows an example of the use of skin and folds, and it can be molded in one stroke, so you can skip the step of application
You can use "Direction" and "Reverse Up" to adjust the position of the imaginary and solid edges
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图上分别是皮肤和衣褶的使用例, 一笔成型, 可以省去涂抹的步骤
可以用「方向」和「上下反转」调整虚边和实边的位置