Sanlorenzo has for some time now gone the way of superyachts. After ten 40 Alloy, the planing aluminium 40 metre, the first superyacht to have opening terraces, that marked a trend copied by dozens of other yards, after nine 46 Steel, the 499 GRT three-deck displacement yacht, after three 460 Explorer, the 42 metre 460 GRT expedition yacht that crossed the Atlantic without batting an eyelid, the yard is moving up in size, going for the fatidic 50 metre threshold with two 52 metre yachts currently under construction and even exceeding the 60 metre mark with a 64 metre superyacht for which the sheets are being cut and the keel is being laid, for delivery in 2019. With four superyachts sold and under construction, the yard, originally at Ameglia and…