Complex sentence: The trophy stands 45 cm tall and weighing 3.9 kilograms, the Air New Zealand Cup was hand forged from 2.7 kilograms of sterling silver by master silversmith Thorkild Hansen.
Split into simpler sentences: The trophy stands 45 cm tall and weighs 3.9 kilograms. It was hand forged from 2.7 kilograms of sterling silver by master silversmith Thorkild Hansen.