These lamps with a simple, and different LATTICE design. Give you beautiful shadows on the ceiling and wall. Pendant lamps projects decoratice patterns onto the ceiling & wall. The projection and clarity of the pattern is most effective when a clear light bulb (lamp) is used. Use a clear light bulb, if you want the pattern to cast effects on the wall and ceiling. Use an opal light bulb if you want an even, diffused distribution of light.