https://www.3dmayatutorials.com/l_glass.htm https://www.spafi.org/index.php?optio...=515&Itemid=30 I found these two tutorials after a quick googlesearch, please search before you post. F1 is a great button in maya too . Good luck with your project edit: did you alter the lifespan of your particles? because if you don't they will "life forever"as they say :p