There are 3 drivers: “Coolness,”“Heat,” and “Greenitude,” each on a sliding 1-10 scale.

As Coolness increases, the diaper becomes sleeker, taller, and less protruding.

As Heat increases, the width of the condensation-collecting trough increases (more heat = more run-off)

As “Greenitude” increases, the amount of materials used in diaper construction decreases.

Here is the Logic Diagram:

Here are a few snapshots:

And here's a link to the file itself:

chazin_1.catpart

Enjoy – sorry for the initially shoddy presentation here.