Help with this flatten command

Hi Everybody,

is would realy like to know if anybdy knows this command. I cant find it.
From my perspective its not unroll or squish.
I hope anybdy could help me. Thanks very much in advanve.

Hello - that looks like it’s a shoe-specific plug-in, most likely…

-Pascal

Bu orang eklentisi ile yapılmaktadır. Kullanışlı güzel bir komuttur. Bende kullanıyorum

google translate:
This is done with the orang plugin. It is a nice useful command. Im using too