transforms - Change pivot or local origin of an object - Blender Stack Exchange
How To Change Transform Pivot Point ? | Blender Tutorial - YouTube
Individual Origins — Blender Manual
How to move the pivot point of an object in Blender - Quora
Median Point — Blender Manual
How to set the origin (pivot point) in Blender – JAY VERSLUIS
Blender Market - Pivot Transform helps you change the position of the pivot point as needed. You can align it to the normals of the desired polygon, rotate and move it, or
Change Pivot Point in Blender Tutorial - Digital Art Hub