The roots of the Ideal City are firmly embedded in the Renaissance history of Italy. The circle was seen as the ideal form, but other geometrical shapes like the hexagon, octagon and polygons were recommended as desirable for plans of sacred buildings (‘temples’). Renaissance ideal cities inspired by Vitruvius (15th-16th c.) 1. Filarete, 2. Fra Giocondo, 3. Girolamo Maggi, 4. Giorgio Vasari, 5. Antonio Lupicini, 6. Daniele Barbaro, 7. Pietro Cattaneo, 8/9 di Giorgio Martini.
