As a "brush enthusiast," my creative journey began with the exploration of the possibilities of tools. When I first encountered Procreate in 2019, I was amazed by its brush library that mimicked traditional media— the graininess of charcoal, the coverage of watercolor, and the layering effects of crayons could be perfectly replicated on an iPad. Since then, I have been obsessed with studying the relationship between brush parameters and artistic expression, even spending 72 hours continuously...