Heavy duty plate rolling machine.
https://www.youtube.com/watch?v=eBSX5euShT8
Previously:
https://www.homemadetools.net/forum/...988#post120133
https://www.homemadetools.net/forum/...576#post123136
https://www.homemadetools.net/forum/...3456#post99140
https://www.homemadetools.net/forum/...359#post161787