surface from flat curves

 From:  eddi 4 Aug 2007  (12 of 17) 
817.12 In reply to 817.3 
HI Alberto,
Here one way with Twist(=Rotate)
Draw Lines

Use Loft

Deselect upper edge and rotate lower edge (this is Twist, Loft is dynamic)

Boole Profile with Plane

Shell and Filet

Array
BestReg`s EDDI

EDITED: 5 Aug 2007 by EDDI