Tween Curves error

Because the command does not work well Tween Curves? I wanted to pass n.4 curves between those dates, but the result is a tangle of lines.
(Why should I share everything works curves in parts, but I would avoid this costly operation).
Tween crvs error.3dm (55.0 KB)

Hi Davide, TweenCurves may create undesired results once used with compound curves which are too different like in your example. To find out why and where, you could explode both curves then use TweenCurves between each segment.

c.

Tor one thing, it should be added to a command option that published the junction point of a closed curve, in order to better adjust the command.
Then you should work on it a little more, so you do not have to do, for each segment of the curve, everything manually.