Pencil Pro is a Blender addon that can be used to imitate the look of hand-drawn sketches. It works on any kind of mesh, and ...

Pencil Pro v1.1 for Blender adds 2.5× faster sketch rendering, screen-space hatching, and edge-flow aware strokes. Price: $15 or in Genie bundle.

We won’t teach you Blender here, because there are thousands of great Blender tutorials online. You want to focus on animation, and the Humane Rigging series is particularly recommended.

The Oscar-winning movie Flow was made entirely with Blender, a free software accessible to artists of any age or level.