https://images.plurk.com/6YMNy8n6Ys7etcXMPI6by9.png https://images.plurk.com/1FQgUYdI2ImtOaXvpG4l8P.png https://images.plurk.com/6DSa9S6hTzMADNQegBnYB9.png
做單純的直線比想像中困難
只要有一點點歪就好明顯...
明天繼續修細節!