How to bevel this one.

 From:  Frenchy Pilou (PILOU) 18 Apr 2012  (2 of 9) 
5076.2 In reply to 5076.1 
Seems it's the base of the middle top piece who makes problem :)
I have made a scale 100 but no resolve

EDITED: 18 Apr 2012 by PILOU