I believe that the doll is not only kinds of figurine, but also Plastic model.
There are variety of body parts, accessory, clothes or make-up products for it.
Many otaku people like to arrange their doll’s body proportion, hair or fashion by their favour.
The Obitsu in Tokyo and The Volks in Kyoto are big main production company in Japan.
About “Obitsu Body” by Obitsu
Obitsu Body is that registered trademark of the element assembly ,
which is using hard plastic and the using soft vinyl, produces in Japan and sells.
It has various types of bodies and heads parts, it’s from 11cm to 65cm.
It is used as basic element assembly for a body of the Ball-jointed doll of the major toymaker a lot.
About “Super Dollfie” by Volks
It is the Ball-jointed doll made by synthetic resin for the general public. It’s produced and sold by Volks Inc.
The product provides the customisation for the user, for example, the clothes, the exchange of the wig,
the re-paint of the face , the exchange doll eye and the remolding of parts.
It’s possible to enjoy “the customization” at various levels.