TD, now that you mentioned that, it make sense. Stretching the board
by 2 feet while keeping the same profile means that I'm now standing
one foot further from the nose bulk which will make the board harder to
control and like you said, behave differently.

I've make the correction and it looks much more balanced which also led
me to streamline the nose even further and I like much more now.

As for contours, double concave to a V with sharp rail line seems to be
the trend these days.

I was thinking a V to a single concave to a V for this board. have the concave
release at the back 1/3 of the board to a deep V. Riding few more board
the next few days. Maui is a good place to test shapes in various conditions.

Is that rocker measured of a naish or just  I guess of what it is?

Starting point was a replica of the Naish 3D rendering. I've increased
both nose and tail rocker since I have more board to work with.

How can I add a stringer with the FREE version (Shape 3DX)?

Thanks