First I build a jig on top of a table added the moulds with cutouts for the keel.gunnels and chines, then fitted the keel,gunnels and the chines cutting them flush to the moulds.
Here is how I built an 8ft wooden rowing boat at home from a book called Small boat building by Dave Gannaway [price new £1.95 I got from Ebay £5 robbers]