- height
- width
- fat amount
- muscle amount
- length of appendexes (arms and legs) relative to body size
- size of hands and feet relative to body size
Add posture (hunched/upright/?).
And all of these multiply into a testing space. As a typical case take the kissing scenes (putting the hand on the cheek, touching the other hand, kissing, and then hugging). How many different variants of those scenes do you need when you can vary every one of those parameters?
Do you remember the number of bugs in BG3 due to kissing between elves and dwarfs?
