Offset faces in one go

 From:  Frenchy Pilou (PILOU)
10376.22 In reply to 10376.20 
Aaaah! Damned! It's a secret trick! :)

Excellent! Absolutly not logic but if it's works... :)

The Inset Function is endless surprising!

EDITED: 24 Jun 2021 by PILOU