Make a copy of the mask layer where we used those three colors to paint the top layer of the logotype. Choose for this layer the Burn Tool (O) and the Dodge Tool (O) to draw several highlights and shadows on the logotype. 将为表面扇叶上色时的颜色图层复制一份,使用加深和减淡工具画上一些高光和阴影(如图)：
