1: A setup wherein the "average" male figure has a height of "180". Why 180? Because that's the "average" height of a North American and European man in centimeters. All of a sudden, it's very easy to model without having to do all sorts of unit conversions. 2: A "default" male figure that is NOT a pin-head. As time has gone on, the Poser-associated figures have become more and more distorted and unnatural in their proportions.