I have pieced together a number of Hobie 14's for people over the last 5 year. My opinion is that hull alignment is important for speed at any point of sail. I know two Hobie dealers that have alignment jigs they use. They make their hulls as parallel as possible. No "tow-in", no special camber angles, just parallel.
I welded an aluminium jig for myself. Technically, you could just take a 4 meter piece of PVC pipe, measure and mark on the pipe the distance between the two front hull pylons. Take the pipe to the back of the boat and compare.
Where do the pylons in the back of the boat land on the pipe in comparison to the front. Pitch and camber, you will have to you a carpenter square and level.