2/17/2024 0 Comments Ionic columnsDrawing the volutes with precision can be accomplished by following the diagram on the succeeding plate. The eye of the volute is centered down 1/3 D from the top of the abacus and across D from the center line of the column its diameter is 1/18 D. On the left side of the capital, a section through the capital at the centerline shows the horizontal channel of the volutes which is straight in relation to the rounded elements. The volutes below the abacus follow the geometry of the abacus and help visually mediate between the round echinus and astragal below. From that line, the square abacus projects 1/18 D. From the top of the abacus to the bottom of the volutes is slightly more than D.ĭrawing of the capital is facilitated by the use of a dashed line on each side of the column centerline which follows the line of lower D. The Ionic Capital is shown in front elevation which shows the scroll volutes in elevation. When drawn freehand, the flute is about 1/9 D. Each flute is four times wider than the fillet. The shaft is divided into 24 semicircular hollows or flutes which are separated by fillets. Note that the upper fillet above the smaller torus is part of the shaft and not the base. To draw the scotia, it is best to first construct the smaller torus with its flanking fillets and then place a swooping curve between the offset fillets of the two tori. A large torus sits above the plinth and has a fillet at its centerline. The plinth is 1/6 D high or 1/3 the height of the base. Both tori are separated by two fillets and a scotia.Īs with the Doric order, the base is D high and has an 8/6 D wide plinth. This base has an extra torus or “attic†above the lower torus. The Ionic column shown in the plate illustrates the Attic Base which is commonly used in the Ionic order.
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