I am designing a MOC in LDD. I want to use these bricks, but I dont know if they hold their position. Basically, I need to make hip joints (and shoulder joints) and in a limited space (recessed into the model). These are perfect (and I already have the model built around them) IF they hold their position... meaning if I rotate the limb in question to a certain position, it will stay there. Does anyone know if they do that, or are they free moving?
EDIT: I should say that I am building it in LDD right now, but I intend to build it for real once the design is done.