Performance, Number of Segments in Contours and Profiles
When arcs, circles or ellipses are being used, their segmentation should be adjusted to suit requirements before they are input, see also the chapter ‘Performance, Resolution, Number of Surfaces’. For instance, the number of segments of an arc has the same effect on performance as the number of surfaces. In the previous example the number of segments was set to 5, which is perfectly adequate for the application described. Were an extrusion solid to be created from this contour, it would have 68 surfaces. If the arc had 32 segments the number of surfaces would be 248.
The number of segments can be changed at any time in 2D elements properties dialogs.