https://www.youtube.com/watch?v=mplvW60QpnY
3dxchange5 allows retargetting of bones to use iClone iMotions.
here is a very simple model making and rigging tutorial using the metaball modeler in Carrara, and how to bring it into iClone as a non-standard iAvatar.
Start creating items from scratch without having to take the formal training courses. Modeling with metaballs is simple and fun, yet extremely powerful as you can create amazingly complex objects and add them to one another for even more complex shapes. The only limit is your imagination.