PS二维卡通场景绘画教程 Learn Squared – 2D Sequence Illustration with Patrick O’Keefe讲解PS中卡通电影概念场景的绘制技巧，不同图层的合成、颜色的使用、灯光的应用等Industry-leading art director Patrick O’Keefe will teach you all of his tricks for quickly laying down compelling compositions, zeroing in with detail and color, then post-processing one gorgeous final piece.