To Change the Color of an Edge on a 3D Solid

1. If the Properties palette is not displayed, select any object. Right-click the object and select Properties.
2. Press and hold Ctrl as you click an edge on a 3D solid.
3. In the Properties palette, under General, click the Color arrow and select a color from the list

   For additional color options, click Select Color to display the Select Color dialog box. Specify a color and click OK.