Many designs go through several stages before they finally turn into a boat.
Arctic Tern is one of those designs. The latest and final version is a logical extension of the Winter Wren. The lines are similar but the Arctic Tern's are finer in both the entrance and exit. The sheer is strong but not overstated, with reasonable freeboard for the sea conditions she is likely to encounter. The cockpit is self-bailing and has sea lockers and lazarette for gear storage.