"need a purpose or aim for it."
My satisfaction not enough?
How about best race board in the world.
Surely you could partner with a kite board company.
i can help with graphics/laminates 3d design. i'm an industrial designer.
Here's a board i sketched a few weeks back, (only spent 2 hours on it)when i was considering forking out a grand for a custom. Got a used board while i save up.