Need advice command one direction curve project

Hi
I learn this tutorial Paneling Polysurfaces Using Grid Projection
Paneling Polysurfaces Using Grid Projection - YouTube
I try a lot of time but can not create grid in both side. It should be a group.
Details as screencast

Need advice to create grid in both side

Thank
Travis

Are there anyone confront same issue? or only me

Thank
Travis

You should move the base line to the bottom the polysurface, then try the command PtGridCuve again.
PtGridCurve

Hi @jessesn
Thank your suggestion. now I see we only can create grid each side at time.

Travis