Of course :) I tried do this yesterday, but for i have problem with creating both of tanks and inflow at EJS old version. I have EJS 4.2 as new version and EJS 3.4 as old version. And i tried to do this yesterday at EJS 3.4. But in this version is not options like in 4.2 version for building polygon and other model parts :( Therefore i appeal you for help. Ploting is o.k. This part of project I built in old version without problems. But with creating tanks i have problem :(