one of Blenders most underrated features! the 3D cursor is really useful, watch this to understand this tool and its use cases.
Intro 00:00
What is it? 01:38
Moving It Accurately 04:04
Snapping to Surface 06:35
Align to Cursor 07:45
Set Origin To Cursor 10:17
Temporary Empty 11:05
Spin Tools (broken in 3.1) 12:24
Object Snap 13:55