About SubDivide in nurbs :)

 From:  Frenchy Pilou (PILOU)
9689.87 
;)
LineWeb for help to make Box Modeling :)



Draw curves
Rebuild say 10 points
Line Web: Lines or polylines or curves: 10 points (order of selection is important! )
Kill curves
Loft "Lines"
Kill Lines
Select faces : Extrude with "Keep Separate"
Boolean Union
Subdivide

EDITED: 21 Jan 2022 by PILOU