We gonna create and animate 3d splines with the help of animation nodes, a blender add-on by Jacques Lucke.
This tutorial in not just for blender users but Fusion users also because they’re already familiar with node based system and because fusion lacks procedural 3d modelling tools they can leverage this node system to create and animated 3d objects procedurally and use alembic format to integrate it.

Download the Animation nodes addon : https://github.com/JacquesLucke/animation_nodes