The visual and harmonious choreography of water and the mechanical perfection of its flow was only achieved after Tommaso Ghinucci, a hydraulics engineer and architect from Siena, was called in; it is thought that his role was to oversee the hydraulics and building work.
Questa armonia di acque e la perfezione del suo flusso fu raggiunta solo quando l'architetto chiamò a sé, da Siena, uno specialista di architettura idraulica, Tommaso Ghinucci con il compito di supervisionare il progetto idraulico.