Press brake. By Ca Lem. 16:54 video:
https://www.youtube.com/watch?v=2UNXvOcXWJM
Previously:
https://www.homemadetools.net/forum/...610#post178163
https://www.homemadetools.net/forum/...157#post176520
https://www.homemadetools.net/forum/...918#post171556
https://www.homemadetools.net/forum/...312#post169399
https://www.homemadetools.net/forum/...129#post157537
https://www.homemadetools.net/forum/...368#post154515
https://www.homemadetools.net/forum/...766#post155997
https://www.homemadetools.net/forum/...989#post156973