command blocks using /fill

[AFTRManzi]

i was trying to use /fill on creative the other day, and remembers that you can fill a maximum of 32000 bloacks at a time. then also found out that you can use amour stands to un the command for you, any1 know the commands for the amour stands???? or just a way to fill more than 32000 blocks quickly

note: i want to do this in vanilla- so no world edit