SnowFlow可以在3DS MAX中一键制作下雪效果，包括雪花覆盖到模型物体上，调节雪花的形态等

SnowFlow is a 3D Studio Max script/plugin that creates realistic snow with ease! You just pick an object and SnowFlow does the snow for you! Let the snow fall on your 3D objects and scenes with the click of a button.