Venkatesh Rao@vgrInteresting. Never stopped to think about the math angle though obviously there is one. I vaguely recall my mom winning a contest for one. I never got the hang of dribbling the powder smoothly between fingers. ht @aparanjape https://atlasobscura.com/articles/indian-rice-art-kolam…4:10 AM · May 10, 20196 Retweets37 Likes