Corinthian order with a continuous design or left plain, as at the U.S. Capitol extension ("illustration, right"). At the Capitol the proportions of architrave to frieze are exactly 1:1. Above that, the profiles of the cornice moldings are like those of the Ionic order. If the cornice is very deep, it may be supported by brackets or modillions, which are ornamental brackets used in a series under a cornice. The Corinthian column is almost always fluted, and the flutes of a Corinthian column may be enriched. They may be filleted, with rods nestled within the hollow flutes, or stop-fluted, with the rods
Doric order three orders are used one above the other, it is usual for the Doric to be at the bottom, with the Ionic and then the Corinthian above, and the Doric, as "strongest", is often used on the ground floor below another order in the storey above. In their original Greek version, Doric columns stood directly on the flat pavement (the "stylobate") of a temple without a base. With a height only four to eight times their diameter, the columns were the most squat of all the classical orders; their vertical shafts were fluted with 20 parallel concave grooves; and they