Search it up as a model in the roblox catalog.
Heres the link if you are lazy(and i think you are. Ha.)
http://www.roblox.com/CmdUtl-Command-Utility-v3-0-0-item?id=56988233
There are other versions, but this is the one I use, and it is like HEAVEN to me. Learn your way around, you are bound to figure it out.