should be ok, if you have enough longitudinal stiffness from the top and bottom layers.
middle layer at 90 deg if convenient to bend onto table or helps with amount of waste material.
...otherwise, its a toss up.
The board is 150cm long, so it sounds like except for material savings perhaps I am better off at maximizing the strength along the length. I plan to go big on this stick and would rather not have it fail on me.
Have a great holiday.
ps you should come up to the Cape some time.