Recently I'm asked often to teach people how to make BJDs. So I decided to put all the info in one place so I could give only one link.
BJD (Ball-jointed doll) is a complex creation that consists of many parts and is strung with elastic. The joints are based on the balls (spheres) mostly or on their modifications. Good BJD in my opinion is not only properly stylized but also has a well thought-out jointing system that allows to hold a wide range of poses. Every type of joint serves a certain purpose.
BJD construction requires a lot of research: trial and error or usage of free knowledge from the open sources. So here the links list goes:
*