灵感来源于翻转的折纸。 用简单的质感图形来表现天气，辅以各种情景插图。 保证了良好的辨识性及可用性。 Inspired by folding paper, to express the weather by simple tactile figure, with different illustrations of scenes. By which the identifiability and usability are ensured. Inspired by the flip of origami