>>6122907>https://www65.atwiki.jp/fagirl/pages/13.htmlmost of these are first type of joint(used in kits with skirts mostly) pic related is what ive been looking into.
>>6122924yeah they changed a bit but still give runners for both thigh types(not hips) because they fit to the same peg. this is mostly joint relief, in this case issue of too precise measures forcing more stress and friction as a result on stock. what they did was in simplest sense make it easy to pose and harder to break the peg.
rest is also on mostly relief and making it easier to disassemble.
>>6122958two things. one both seem to be custom or molded there. purpose is for the same hip curve and size as the second type of hips. this allows for different clothes based off how the top looks.