Fontemon [0] makes this a bit more obvious by including a web page with the font embedded, so we can control the animation by typing, rather than watching someone else type. However, mmulet embeds some sort of Blender project [1], rather than a wasm binary to accomplish the font shaping.

[0] https://www.coderelay.io/fontemon.html

[1] https://github.com/mmulet/code-relay/blob/main/markdown/Tuto...