Ionic order cap is usually enriched with egg-and-dart. Since Vitruvius, a female character has been ascribed to the Ionic (in contrast to the masculine Doric). The major features of the Ionic order are the volutes of its capital, which have been the subject of much theoretical and practical discourse, based on a brief and obscure passage in Vitruvius. The only tools required to design these features were a straight-edge, a right angle, string (to establish half-lengths) and a compass. Below the volutes, the Ionic column may have a wide collar or banding separating the capital from the fluted shaft (as in, for
Villa Lante al Gianicolo and elegance to exploit the ridge-top position and overcome the rather small Roman footprint. The orders are delicate, with Tuscan or Doric columns and pilasters in pairs on the main floor, and extremely shallow Ionic pilasters above, whose presence is mainly conveyed by a different colour. Alternate loggia openings are heightened by arches above the entablature. Romano's willingness to play with the conventions of the classical orders is already in evidence; the Doric here has guttae but no triglyphs on its narrow entablature. The volutes of the Ionic capitals of the entrance facade are repeated in the window surrounds between