Samples
The following samples show different approaches to the use of the various elements. Note that the backside panels can have much more than just text, and that the optional foreground object oftens adds the feeling of 3-D to the scene. If you use a foreground center object, it allows you to have a before-and-after effect.
A conceal/reveal style. A cyclinder moves from one end to the other, either concealing or revealing the swimsuit. Again, as with "Sclerotherapy," the available space moves 360 degrees around the pen. The red arrows show the area which gets "revealed."