@Tess Falworth There isn't a lot of difference.  The reason it became important to me is the way I make outfits. First, I searched for a head that had a look somewhat close to my classic head's. I found one in the GA.EG Jennifer head. I wanted to start from their supplied look. But, wearing their shape screwed my body. But, if I had just needed to modify one shape, it would have been easier to adjust the single shape. But, from the days of Standard Sizes I have shapes for 2 or 3 d
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