The Dogana courtyard in Palazzo Vecchio, the detail that enlightens the rule

Bartoli, Maria Teresa; Università Di Firenze
The apparent irregularity in the trapezium of the Dogana courtyard in Palazzo Vecchio hides an uncommon precise geometrical rule. Such a rule requires the knowledge of the triangle which the trapezium belongs to. The search of that triangle throws new light on the length measures of  the elder Arnolfo Palace. A design method based on geometrical theorems becomes evident, in which plan length measures are achieved through first and second degree equations. The plan offers...