You can also use it to create a sparkle tube as illustrated in the tutorial below. First, some interesting shapes. Teardrop Shape - or Flower Petal Open a new white graphic 100x100 pixels. Add a new layer. On the new layer, draw a circle starting in the middle of the graphic.
Flood fill with a color.
Apply the Perspective - Horizontal Geometric effect with Percent Difference set to 100. Sparkle Tube Open a new black graphic 250x250 pixels. Turn on the gridlines and set to white. Turn off gridlines and flood fill your selection with white. Apply the Perspective - Horizontal Geometric effect with Percent Difference set to 100.