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 example, the neoclassical mansion Castle Coole), or a swag of fruit and flowers may swing from the clefts or "neck" formed by the volutes.

Originally, the volutes lay in a single plane