Copyright Goodheart-Willcox Co., Inc. 162 AutoCAD and Its Applications—Advanced Last cross section First cross section C B A Figure 7-15. A—These profiles will be used to create a sealing ring. They should be selected in a counterclockwise direction starting with the first cross section. B—The resulting loft with the default settings. Notice the gap between the first and last cross sections. C—By checking the Close surface or solid check box in the Loft Settings dialog box, the loft continues from the last cross section to the first cross section. Figure 7-16. The same cross sections from Figure 7-8 are used in this loft. However, the Close surface or solid option has been applied. Notice how the loft is inside out.