Toggle the Material Drop Surface button to the All Surfaces mode (blue highlight) so you can drop a material onto the faces, edges and bevels of the fins all at once.

• 切换"材质丢弃表面"按钮到所有表面模式(蓝色高光)，这样你能够立即丢弃一个材质到这几个鳍片的所有表面、边缘和倒角上了。