Organising Scenes in Blender using Parent and Group - YouTube
How to join group objects into one - Blender Stack Exchange
How to join group objects into one - Blender Stack Exchange
mesh - Grouping in an empty object - Blender Stack Exchange
Collections and Groups — Developer Blog
Blender + clip studio] How to duplicate a group of symmetrical objects with a hierarchy “BLENDER + CLIPT STUDIO #4” by Hydrocallis - Make better art | CLIP STUDIO TIPS