Check out the release article on this and read about its limitation or requirement at the moment supported.
You will be able to access the tool here.
Just to note this is an initial release, so there might be one or two bugs you might encounter. Do help by providing feedback by clicking on the feedback icon so we can have better tool by refine it further.
Bugs found on 22nd Aug
Initial test, the host count always stay at 14 irregardless of the parameters given.
Issue has been resolved on 22nd Aug.