The only way to do it in IV is to use a loft either several crossections or
2 sketches and several guide rails. You still don't have a lot of control.
How accurate would you need it? If you have surface data from another
program you can import that as construction data and use them as
trim/extrude to surfaces.
Pat
"Jim Strenk" wrote in message
news:6DF720F699630A4B369BCEE4B13EB423@in.WebX.maYIadrTaRb...
> I'd like to know what steps are need to create fan blades and propellers.
>
> I anticipate making a two-blade propeller for an aircraft and fan blades
> found in a computer case exhaust fan.
>
> Any tips, suggestions or errata would be deeply appreciated!
>
>