I miss 123d Design (the Fillet master)

 From:  Frenchy Pilou (PILOU)
9952.59 In reply to 9952.58 
Indeed some impredictable but very smooth! :)



here use of Delcorners (but planar) + ExplodeMove


else without Delcorners (but planar)

EDITED: 22 May 2021 by PILOU