How To Make A Foam Core For Ball Joint Dolls Tutorial - This is the BEST tutorial I've even seen for making your own BJD
How to make ball-jointed doll | air dry clay this has reference info for positioning body parts
Really great tutorial from drawing till finished doll. Easy to find the English Google translated version online. This tutorial shows making BJD with LaDoll air-dry clay.
BJD how to
How to Make Noah's Doll BJD
ball joint doll
tutorial - sculpting doll head
jointed cloth doll