JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. To Smooth a Set of Polygons Select the polygons to be smoothed. Select the Facet Smoothing tool. In the tool settings window, set Mode to Attach. Accept. Note: There is no tolerance to which polygons can be gapped. If the similar sides of a polygon do not occupy the same points, the tool will not work. Parent topic: Facet Smoothing