 Typically it focused on the entrance front of a house, and the road on its central axis continued as the entrance drive.The idea for the "patte d'oie" may have originated in town planning schemes where roads converged onto a single space or feature, such as the Piazza del Popolo in Rome.It is often a feature of site plans for the grander French châteaux of the 17th and 18th centuries, in which the roads converge on an important element of the central axis.