Homemade forklift-mounted tube bender with plywood dies. 1:49 video:
https://www.youtube.com/watch?v=6ge6oWOzu9s
Previously:
https://www.homemadetools.net/forum/...624#post139673
https://www.homemadetools.net/forum/...715#post139932
https://www.homemadetools.net/forum/...3330#post77845
https://www.homemadetools.net/forum/...688#post136656