In this tutorial we make some animated handwritten text with the Grease Pencil tools and a Build Modifier in Blender. I am using Blender 4.0 but this technique should work with many earlier versions as well. I frequently use this technique in math and physics explainer videos, check them out:
Rotations in 3D Graphics with Quaternions • Rotations in 3D Graphics With Quaternions
Normal Vectors and Their Applications in Computer Graphics • Normal Vectors and Their Applications in C...