Can you use 2D joint data to animate a 3D avatar?

Hi, I am attempting to animate a 3D avatar in unity using 2D joint data, I am aware that using bone rotations and 3D joint data it is possible, here are the results of an example I found Link.

I would like to know if there is a way to obtain similar results to the ones I shared using 2D joint data or should I just abandon this approach because it is not viable.