Portable jib crane. By Cam at Battler.
23:41 video:
https://www.youtube.com/watch?v=w6gyxLBtY0Y
13:15 video:
https://www.youtube.com/watch?v=7kV2nY4ei0Y&t=4s
19:35 video:
https://www.youtube.com/watch?v=npk8Y2OCKBE&t=8s
Previously: https://www.homemadetools.net/forum/...581#post162744