actually to me the more interesting thing was that you technically could make it from yourself if you were working with someone else, although the "good" method is to simply find some old grandmother who's about to die of old age and ask the family for permission to make an imprint for a fee, divination helps here. Although a CR7 Robot with the personality of an old women would cause some problems of its own (death by sugar cookies?) I really find the special quality of
The soul bound to the mannequin lives within a focus integrated into the doll or its apparel, typically a carved mask. As long as this soul focus remains intact, it can be used to animate another mannequin, at the same cost as creating a new soulbound mannequin. The new mannequin retains its personality and memories. A soul focus has hardness 8, 12 hit points, and a break DC of 20.
which makes me wonder what exactly does that mean.
For example, if you use magic jar to take over a mannequin and die outside of the spell range, are you imprinted on the soul focus, and can you then be rebuilt in a new body?
But yeah, to me it just seemed fairly fun that you can essentially "buy" crafter servants for such a cheap price, or even in a more extreme case, you could create a stable of immortal trainers and start collecting feats and skills.