Hardwood circle bending machine. 1:09 video:
https://www.youtube.com/watch?v=yLl2oV7h2wU
More: https://www.ghebavaria.de/en/product...ng-plants.html
Previously:
https://www.homemadetools.net/forum/...434#post139018
https://www.homemadetools.net/forum/...452#post127604
https://www.homemadetools.net/forum/...2848#post97294
https://www.homemadetools.net/forum/...326#post135142