Yacht Designs. Multihulls, monohulls, Superyachts, Catamarans, Trimarans. Power, Sail. Racing, cruising. Boat plans. John Shuttleworth, Orion Shuttleworth, Shuttleworth Design is a multi-award winning design consultancy that has been working with an international client base at the forefront of yacht design, engineering and naval architecture for more than 35 years.