• EdgeForm[g] is a three-dimensional graphics directive which specifies that edges of polygons are to be drawn using the graphics directive or list of graphics directives g.
• EdgeForm[ ] draws no edges.
• The directives RGBColor, CMYKColor, GrayLevel, Hue and Thickness can be used in EdgeForm.
does not affect the rendering of Line
• No lines are ever drawn at edges formed by one polygon intersecting another.
• New in Version 1.